Japanese Imperial Family New Year Greeting at the Imperial Palace on January 02, 2019 in Tokyo, Japan.

Japan's Crown Princess Masako waves during Emperor Akihito's birthday public appearance with other members of the Imperial family at the Imperial Palace in Tokyo on December 23, 2018.

Crown Princess Masako waves to media reporters on arrival at the Imperial Palace on Emperor Akihito's 85th birthday on December 23, 2018 in Tokyo, Japan.

Japanese Crown Prince Naruhito (L), Crown Princess Masako (R) and their daughter Princess Aiko arrive at the Imperial Palace in Tokyo to attend a dinner to celebrate Emperor Akihito's 85th birthday on Dec. 23, 2018.

Crown Prince Naruhito and his wife Crown Princess Masako attend a New Year's ceremony at the Imperial Palace in Tokyo on Jan. 1, 2019.

Japan's Crown Prince Naruhito (2nd R) and Crown Princess Masako (R) bowing to Emperor Akihito and Empress Michiko during a ceremony to celebrate the new year at the Imperial Palace in Tokyo.

Japan's Crown Princess Masako waves to well-wishers from the balcony of the Imperial Palace in Tokyo on January 2, 2019 during the New Year's greetings.

Japanese Crown Prince Naruhito and Crown Princess Masako arrive at the Imperial Palace in Tokyo to offer New Year's greetings to well-wishers on Jan. 2, 2019.

Japanese Emperor Akihito (2nd from L) and his successor, Crown Prince Naruhito (L), are pictured, alongside Empress Michiko (R) and Crown Princess Masako during the emperor's New Year's greeting ceremony in Tokyo on Jan. 2, 2019. The emperor is scheduled to abdicate on April 30.

Japanese Crown Prince Naruhito (L), Crown Princess Masako (R) and their daughter Aiko arrive at the Imperial Palace in Tokyo on Jan. 2, 2019.

Japanese Emperor Akihito (Center L), Empress Michiko (Center R), Crown Prince Naruhito (2nd from L), Crown Princess Masako (L), Prince Fumihito (2nd from R) and Princess Kiko attend the emperor's New Year's greeting ceremony at the Imperial Palace in Tokyo on Jan. 2, 2019.

Crown Princess Masako is seen on the 30th anniversary of the death of Emperor Showa at the Imperial Palace on January 7, 2019 in Tokyo, Japan.

Crown Prince Naruhito (L), Crown Princess Masako (R) and their daughter Princess Aiko head to the Imperial Palace in Tokyo on Jan. 1, 2019, to attend a New Year's ceremony.

Crown Prince Naruhito, Princess Aiko and Crown Princess Masako are seen on arrival at the Imperial Palace to celebrate Emperor Akihito's 85th birthday on December 23, 2018 in Tokyo, Japan.

Crown Prince Naruhito and Crown Princess Masako are seen on arrival at the Imperial Palace to attends the 'Enkai-no-Gi' luncheon party celebrating Emperor Akihito's 85th birthday on December 23, 2018 in Tokyo, Japan.

Crown Princess Masako waves to media reporters on arrival at the Imperial Palace on Emperor Akihito's 85th birthday on December 23, 2018 in Tokyo, Japan.

Crown Princess Masako waves to media reporters on arrival at the Imperial Palace on Emperor Akihito's 85th birthday on December 23, 2018 in Tokyo, Japan.

Emperor Akihito, standing beside Empress Michiko, waves to well-wishers during his final New Year Greeting at the Imperial Palace on January 02, 2019 in Tokyo, Japan.

Emperor Akihito, standing beside Empress Michiko, waves to well-wishers during his final New Year Greeting at the Imperial Palace on January 02, 2019 in Tokyo, Japan.

(L to R) Crown Princess Masako, Crown Prince Naruhito, Emperor Akihito and Empress Michiko stand during the New Year Greeting session at the Imperial Palace on January 02, 2019 in Tokyo, Japan.

(L to R) Crown Princess Masako, Crown Prince Naruhito, Emperor Akihito, Empress Michiko, Prince Akishino, Princess Kiko, Princess Mako and Princess Kako of Akishino stand on the balcony during the New Year Greeting session at the Imperial Palace on January 02, 2019 in Tokyo, Japan.

 (L to R) Princess Akiko of Mikasa, Princess Nobuko of Mikasa, Crown Princess Masako, Crown Prince Naruhito, Emperor Akihito, Empress Michiko, Prince Akishino, Princess Kiko, Princess Mako, Princess Kako of Akishino, Princess Hisako and Princess Tsuguko of Takamado stand on the balcony during the New Year Greeting session at the Imperial Palace on January 02, 2019 in Tokyo, Japan.

(L to R) Princess Kiko, Princess Mako and Princess Kako of Akishino wave to well-wishers on the balcony during the New Year Greeting session at the Imperial Palace on January 02, 2019 in Tokyo, Japan.

Emperor Akihito and Empress Michiko are greeted by Crown Prince Naruhito and Crown Princess Masako during the 'Shinnen-Shukuga-no-Gi' New Year Celebration Ceremony at the Imperial Palace on January 01, 2019 in Tokyo, Japan.

Emperor Akihito and Empress Michiko are greeted by Crown Prince Naruhito, Crown Princess Masako, Prince Akishino and Princess Kiko of Akishino during the 'Shinnen-Shukuga-no-Gi' New Year Celebration Ceremony at the Imperial Palace on January 01, 2019 in Tokyo, Japan.

Crown Prince Naruhito, Princess Aiko and Crown Princess Masako are seen on arrival at the 'Shinnen-Shukuga-no-Gi' New Year Celebration Ceremony at the Imperial Palace on January 01, 2019 in Tokyo, Japan.

Emperor Akihito leaves the room with Empress Michiko after the 'Chakai-no-Gi' tea party on his 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Akihito toasts glass with Empress Michiko, Crown Prince Naruhito and Prince Akishino on his 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Emperor Akihito attends the 'Chakai-no-Gi' tea party celebrating his 85th birthday with Empress Michiko, Crown Prince Naruhito, Prince Akishino, Princess Kiko of Akishino, Princess Mako of Akishino, Princess Kako of Akishino, Princess Nobuko of Mikasa, Princess Akiko of Mikasa, Princess Yoko of Mikasa, Princess Hisako of Takamado and Princess Tsuguko of Takamado at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Emperor Akihito addresses during the 'Enkai-no-Gi' luncheon party marking Akihito's 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Emperor Akihito (3rd R) addresses while Empress Michiko, Crown Prince Naruhito, Crown Princess Masako, Prince Akishino and Princess Kiko of Akishino listen during the 'Enkai-no-Gi' luncheon party marking Akihito's 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Emperor Akihito (3rd L) waves to well-wishers along with Empress Michiko, Crown Prince Naruhito, Crown Princess Masako, Prince Akishino and Princess Kiko of Akishino on his 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Princess Mako of Akishino and Princess Kako of Akishino wave to well-wishers on Emperor Akihito's 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Princess Mako of Akishino and Princess Kako of Akishino wave to well-wishers on Emperor Akihito's 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Princess Mako and Princess Kako of Akishino talk with guests during the 'Chakai-no-Gi' tea party celebrating Emperor Akihito's 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Emperor Akihito leaves the room with Empress Michiko after the 'Chakai-no-Gi' tea party on his 85th birthday at the Imperial Palace on December 23, 2018 in Tokyo, Japan.

Princess Ayako Of Takamado And Kei Moriya Wedding at Meiji Jingu Shrine on October 29, 2018 in Tokyo, Japan.

Japanese Princess Ayako, the third daughter of Emperor Akihito's late cousin Prince Takamado, visits Ise Jingu, a Shinto shrine in Ise, Mie Prefecture, on Oct. 18, 2018, ahead of her marriage on Oct. 29. Ise Jingu is dedicated to Amaterasu Omikami, the ancestral deity of the imperial family.

Japanese Princess Ayako (L), the third daughter of Emperor Akihito's late cousin Prince Takamado and Princess Hisako (R), visits Ise Jingu, a Shinto shrine in Ise, Mie Prefecture, on Oct. 18, 2018, ahead of her marriage on Oct. 29.

Japanese Princess Ayako (C), the third daughter of Emperor Akihito's late cousin Prince Takamado and Princess Hisako (R), visits Ise Jingu, a Shinto shrine in Ise, Mie Prefecture, on Oct. 18, 2018, ahead of her marriage on Oct. 29.

(center-L) Princess Hisako and Princess Ayako of Takamado visit the Ise Jingu Shrine on October 18, 2018, in Ise, Mie, Japan.

(L-R) Princess Hisako and Princess Ayako of Takamado visit the Ise Jingu Shrine on October 18, 2018, in Ise, Mie, Japan.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, leaves the Akasaka Estate in Tokyo on Oct. 29, 2018, ahead of her wedding ceremony with commoner Kei Moriya at Meiji Shrine.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, leaves the Akasaka Estate in Tokyo on Oct. 29, 2018, ahead of her wedding ceremony with commoner Kei Moriya at Meiji Shrine.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya arrive at Meiji Shrine, the venue of their wedding, in Tokyo on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya arrive at Meiji Shrine, the venue of their wedding, in Tokyo on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya arrive at Meiji Shrine, the venue of their wedding, in Tokyo on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya arrive at Meiji Shrine, the venue of their wedding, in Tokyo on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya arrive at Meiji Shrine, the venue of their wedding, in Tokyo on Oct. 29, 2018.

Princess Ayako of Takamado and Kei Moriya (C) walk to the hall prior to their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Kei Moriya leaves his home in Tokyo on Oct. 29, 2018, en route to his wedding at Meiji Shrine with Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado.

Kei Moriya leaves his home in Tokyo on Oct. 29, 2018, en route to his wedding at Meiji Shrine with Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado.

Princess Ayako (C), the youngest daughter of Emperor Akihito's late cousin Prince Takamado, bows to her mother Princess Hisako (R) in Tokyo on Oct. 29, 2018, as she leaves for her wedding with commoner Kei Moriya at Meiji Shrine.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya speak to reporters after their wedding at Meiji Shrine in Tokyo on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya are pictured at Meiji Shrine in Tokyo after their wedding ceremony on Oct. 29, 2018.

Princess Ayako in a red Shinto-style robe and a brown skirt called a Naga-bakama. In Japanese culture, the color red symbolizes good luck, is pictured at Meiji Shrine in Tokyo after her wedding ceremony on Oct. 29, 2018. The princess married commoner Kei Moriya.

Princess Ayako and commoner Kei Moriya are pictured at Meiji Shrine in Tokyo after their wedding ceremony on Oct. 29, 2018.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya respond to questions from reporters after their wedding ceremony at Meiji Shrine in Tokyo on Oct. 29, 2018.

Un-dated combined photo shows Princess Ayako (R), the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and commoner Kei Moriya, who got married on Oct. 29, 2018.

This picture taken on October 29, 2018, shows Japanese Princess Ayako wore a traditional pale-yellow, floral embroidered kimono with deep purple hakama trousers and her husband Kei Moriya arriving for their wedding ceremony at the Meiji Shrine in Tokyo.

Japan's former princess Ayako Moriya (C) and her husband Kei Moriya (2nd L) arrive at their wedding banquet with Crown Prince Naruhito (2nd R) and Crown Princess Masako (R) as Prime Minister Shinzo Abe bows in Tokyo on October 30, 2018.

Japan's former princess Ayako Moriya (R) and her husband Kei Moriya (C) toast with Crown Prince Naruhito at their wedding banquet in Tokyo on October 30, 2018.

Japan's former princess Ayako Moriya (R) and her husband Kei Moriya (2nd R) talk with Crown Prince Naruhito as Prime Minister Shinzo Abe (L) looks on at their wedding banquet in Tokyo on October 30, 2018.

Japan's former princess Ayako Moriya (R) and her husband Kei Moriya (2nd R) toast with Crown Prince Naruhito (3rd R), Crown Princess Masako (2nd R), Prime Minister Shinzo Abe (3rd L) and Abe's wife Akie at their wedding banquet in Tokyo on October 30, 2018.

Former Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, her husband Kei Moriya (2nd from R) and Prime Minister Shinzo Abe (L) listen to a speech by Crown Prince Naruhito at the couple's wedding banquet in Tokyo on Oct. 30, 2018.

Former Princess Ayako (R), the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and her husband Kei Moriya (2nd from R) drink a toast with Prime Minister Shinzo Abe (L facing camera) at the couple's wedding banquet in Tokyo on Oct. 30, 2018.

Former Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, is pictured during her wedding banquet in Tokyo on Oct. 30, 2018, following her marriage to company employee Kei Moriya the previous day.

Former Princess Ayako (C), the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and her husband Kei Moriya (L, with black bow tie) are pictured at their wedding banquet in Tokyo, with the attendance of Crown Prince Naruhito (2nd from R) and his wife Crown Princess Masako (3rd from R) on Oct. 30, 2018. The bride lost her royal status after marrying commoner Moriya in accordance with Japanese Imperial House Law.

Former Princess Ayako (R), the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and her husband Kei Moriya listen to Crown Prince Naruhito's speech during their wedding banquet in Tokyo on Oct. 30, 2018.

Former Princess Ayako (R), the youngest daughter of Emperor Akihito's late cousin Prince Takamado, and her husband Kei Moriya (L, back) are pictured during their wedding banquet in Tokyo on Oct. 30, 2018, with Crown Prince Naruhito (front) attending.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, leaves the Imperial Palace in Tokyo, on Oct. 26, 2018, after receiving words from Emperor Akihito and Empress Michiko, ahead of her marriage to commoner Kei Moriya.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, attends a ceremony at the Imperial Palace in Tokyo, to express her gratitude to the emperor and empress on Oct. 26, 2018, ahead of her marriage to commoner Kei Moriya.

Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, attends a ceremony at the Imperial Palace in Tokyo, to express her gratitude to the emperor and empress on Oct. 26, 2018, ahead of her marriage to commoner Kei Moriya.

Japanese Emperor Akihito (R) and Empress Michiko are pictured at the Imperial Palace in Tokyo on Oct. 26, 2018, in a ceremony for Princess Ayako, the youngest daughter of Emperor Akihito's late cousin Prince Takamado, who was to marry commoner Kei Moriya three days later.

Princess Ayako of Takamado is seen after the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado is seen after the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado greets Emperor Akihito and Empress Michiko during the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado greets Emperor Akihito and Empress Michiko during the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado attends the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado attends the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado leaves after the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Emperor Akihito and Empress Michiko attend the 'Choken-no-Gi', greeting ceremony with Princess Ayako of Takamado at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado leaves after the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado leaves after the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado leaves after the 'Choken-no-Gi', greeting ceremony at the Imperial Palace ahead of her wedding with Kei Moriya on October 26, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya walk to the hall prior to their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya walk to the hall prior to their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya walk to the hall prior to their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya walk to the hall prior to their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya are seen prior to their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya walk to the hall prior to their wedding at Meiji Jingu Shrine on October 29, 2018. in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya walk to the hall prior to their wedding at Meiji Jingu Shrine on October 29, 2018. in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya walk to the hall prior to their wedding at Meiji Jingu Shrine on October 29, 2018. in Tokyo, Japan.

Princess Ayako of Takamado (L) greets her mother Princess Hisako of Takamado (R) after the 'Judai-no-Gi' ceremony prior to her wedding with Kei Moriya at the Princess Takamado's residence on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado (L) leaves her residence while her mother Princess Hisako of Takamado (R) looks on prior to her wedding with Kei Moriya at the Princess Takamado's residence on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado leaves her residence prior to her wedding with Kei Moriya at the Princess Takamado's residence on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya speak to media reporters after their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya speak to media reporters after their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya speak to media reporters after their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako speaks to media reporters after her wedding ceremony at Meiji Jingu Shrine, who wear a Naga-bakama red Shinto-style robe and a brown skirt. The color red symbolizes good luck in Japanese culture.

Kei Moriya speaks to media reporters after his wedding with Princess Ayako of Takamado at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

Princess Ayako of Takamado and Kei Moriya are seen after their wedding at Meiji Jingu Shrine on October 29, 2018, in Tokyo, Japan.

A messenger of Kei Moriya is seen on arrival at the residence of Princess Ayako of Takamado prior to their wedding on October 29, 2018, in Tokyo, Japan.

Ayako Moriya, formerly Princess Ayako of Takamado, and her husband Kei Moriya (L) are escorted by Crown Prince Naruhito (R) and Crown Princess Masako (2nd-R) prior to their wedding party on October 30, 2018, in Tokyo, Japan.

Ayako Moriya, formerly Princess Ayako of Takamado, and her husband Kei Moriya talks with Crown Prince Naruhito (1st row-L his back turn) during their wedding party on October 30, 2018, in Tokyo, Japan.

Ayako Moriya, formerly Princess Ayako of Takamado attends her wedding party on October 30, 2018, in Tokyo, Japan.

(R-L) Ayako Moriya, formerly Princess Ayako of Takamado, and her husband Kei Moriya talks with Crown Prince Naruhito, Crown Princess Masako and Prime Minister Shinzo Abe during their wedding party on October 30, 2018, in Tokyo, Japan.

The Imperial Household Agency Grand Steward Shinichiro Yamamoto signs on the 'Kotofu' documents as Princess Ayako of Takamado left the Japanese royal family as she married with commoner Kei Moriya on October 30, 2018, in Tokyo, Japan.

The 'Kotofu' document, the record of the Japanese imperial lineage, is seen as Princess Ayako of Takamado left the Japanese royal family as she married with commoner Kei Moriya at the Imperial Household Agency on October 30, 2018, in Tokyo, Japan.