Pierre and Beatrice Casiraghi Religious Wedding Ceremony in Stresa on the Lake Maggiore in northern Italy on August 1, 2015

Pierre Casiraghi (R), Prince Albert II of Monaco's nephew, leaves the Des Iles Borromees Hotel on his way to the religious ceremony of his wedding with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy. Casiraghi and Borromeo had their civil wedding in Monaco on July 25.

Pierre Casiraghi (L), Prince Albert II of Monaco's nephew, leaves the Des Iles Borromees Hotel on his way to the religious ceremony of his wedding with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

Paola Borromeo (L) and Carlo Borromeo, mother and brother of Beatrice Borromeo, leave the Hotel Des Iles Borromees for the religious wedding ceremony of Pierre Casiraghi, Prince Albert II of Monaco's nephew, with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

Andrea Casiraghi and his son Sasha leave for the religious wedding ceremony of Pierre Casiraghi, Prince Albert II of Monaco's nephew, with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

Marta Marzotto (2nd R), maternal grandmother of Beatrice Borromeo, and others leave the Hotel Des Iles Borromees for the religious wedding ceremony of Pierre Casiraghi, Prince Albert II of Monaco's nephew, with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

Andrea Casiraghi and his son Sasha and wife Tatiana Santo Domingo leave the Hotel Des Iles Borromees for the religious wedding ceremony of Pierre Casiraghi, Prince Albert II of Monaco's nephew, with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

Marta Marzotto (R), maternal grandmother of Beatrice Borromeo, and Fernanda Casiraghi leave the Hotel Des Iles Borromees for the religious wedding ceremony of Pierre Casiraghi, Prince Albert II of Monaco's nephew, with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

(LtoR) Paola Borromeo and Carlo Borromeo, mother and brother of Beatrice Borromeo, and Italian designer Marta Ferri leave the Hotel Des Iles Borromees for the religious wedding ceremony of Pierre Casiraghi, Prince Albert II of Monaco's nephew, with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

Crown Princess Mette-Marit of Norway (L) and Crown Prince Haakon of Norway leave the Hotel Des Iles Borromees for the religious wedding ceremony of Pierre Casiraghi, Prince Albert II of Monaco's nephew, with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

Crown Princess Mette-Marit of Norway (L) and Crown Prince Haakon of Norway leave the Hotel Des Iles Borromees for the religious wedding ceremony of Pierre Casiraghi, Prince Albert II of Monaco's nephew, with Beatrice Borromeo on August 1, 2015, in Stresa, on the Lake Maggiore in northern Italy.

Beatrice's stunning Grecian style wedding dress. With its layers upon layers of silk tulle cascading behind her delicate frame, the gown is fit for a princess. The train is breathtaking with the gossamer soft fabric that falls from her shoulders like epaulets that blossom into a sweeping waterfall and the subtle demure neckline and empire waist.
 

The bride Beatrice Borromeo is helped on to a boat by her groom Pierre Casiraghi at the picturesque Lake Maggiore in Italy

Beatrice Borromeo leave Isola Madre to attend their Wedding Ceremony on August 1, 2015 in Stresa, Italy

Stunning Italian heiress Beatrice Borromeo is given a helping hand by her royal groom Pierre Casiraghi ahead of ceremony at her parents' lakeside castle

The couple travelled from the ceremony on Isolino di San Giovanni to their reception at Borromeo Castle by boat

The stunning bride Beatrice Borromeo, wearing a white Grecian wedding gown

Cruising to their reception, the young couple Pierre and Beatrice Casiraghi left the remote Isolino di San Giovanni together to head to their lavish reception

The bride and groom have arrived! Beatrice Borromeo and Pierre Casiraghi sail into Rocca di Borromeo di Angera - Borromeo Castle for their reception which is owned by the bride's wealthy family

Pierre Casiraghi and Beatrice Borromeo are seen on August 1, 2015 in ANGERA, Italy.

Arriving on the lake...the young couple are seen arriving at Borromeo castle by boat for their second wedding reception

Happy couple....the bride and groom wave to the hundreds of people who gathered to see their arrival at the castle this evening

Stylish..Pierre, who is the grandson of Grace Kelly and seventh in line to the throne, wore a tuxedo to the reception while his Italian bride Beatrice Borromeo looked beautiful in a white Grecian wedding gown
 

The bride's gown trails behind her as she is led by the hand to the reception by her husband Pierre Casiraghi

Pierre Casiraghi and Beatrice Borromeo are seen on August 1, 2015 in ANGERA, Italy.

Huge turnout... Hundreds of locals lined the waterfront to catch a glimpse of the glamorous newlyweds as they made their way inside.

Pierre Casiraghi and Beatrice Borromeo are seen on August 1, 2015 in ANGERA, Italy.

Charlotte Casiraghi and partner Gad Elmaleh

The groom's mother Princess Caroline of Hanover arrives at the wedding of her son Pierre Casiraghi to Beatrice Borromeo in Stresa, Italy on August 1, 2015

 

(L) Princess Stephanie of Monaco looked stylish in a floral gown with her daughter Pauline Ducruet as they arrived at the venue this evening on August 1, 2015

(R) Princess Stephanie of Monaco and Pauline Ducruet is seen on August 1, 2015 in ANGERA, Italy.

Princess Alexandra of Hanover, the groom's half-sister, barely makes it on to the dock after arriving at the reception

Princess Alexandra of Hanover is seen on August 1, 2015 in ANGERA, Italy.

The bride's half-sister Matilde Borromeo and her partner
 

 Beatrice Borromeo was spotted in an embroidered gown by another Italian designer, Alberta Ferretti. She teamed the romantic look, which had transparencies and billowing sleeves, with flat Roman sandals and tiny flowers in her hair.

Italian aristocrat and journalist Beatrice Borromeo wore an ivory Giorgio Armani gown with princess sleeves and lace overlay to wed Princess Grace of Monaco's grandson Pierre Casiraghi on Saturday, August 1. The ceremony, took place on Italy's Borromean islands, which are owned by the bride's family.

Charlotte Casiraghi is seen on August 1, 2015 in ANGERA, Italy

Beatrice Borromeo wore an elegant floor-length embroidered ivory gown by another Italian designer, Alberta Ferretti.