The Duchess Of Cambridge Attends Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge looks blooming in burgundy as she sports a loose-fitting dress to attend a mental health forum in London

Catherine, Duchess of Cambridge looked radiant in a burgundy Goat Eloise dress as she arrived at the Place2Be conference on child mental health in the City of London

(R) Catherine, Duchess of Cambridge, eschewed her usual fitted frocks for a loose-fitting dress, which skimmed over her tiny bump, arrives for the Place2Be School Leaders Forum with Place2Be's CEO Catherine Roche at UBS London on November 8, 2017

Catherine, Duchess of Cambridge opted for a burgundy dress by Goat, paired the understated number with black block-heeled shoes and a small Mulberry clutch attend a mental health forum along with Place2Be's CEO Catherine Roche (L) in London

The expectant mother Catherine, Duchess of Cambridge looked chic in a simple burgundy Goat Eloise dress with a button detail on one shoulder, displaying just the tiniest hint of a baby bump under the loose-fitting number, which she paired with black heels and carried a small Mulberry clutch, arrived at the Place2Be School Leaders Forum in London

Catherine, Duchess of Cambridge is attending the Place2Be schools forum for the third year running as royal patron and looked in great spirits as she arrived at the event

Pregnant Catherine, Duchess of Cambridge looks blooming in burgundy as she sports a loose-fitting Goat Eloise dress, attend the Place2Be School Leaders Forum at UBS London

Catherine, Duchess of Cambridge is joining delegates at the forum as they consider the key issues and latest thinking on the role that schools can play in tackling mental health problems early in life.

The Duchess of Cambridge looked chic in a simple burgundy Goat Eloise dress with a military style buttons detail on one shoulder, displaying just the tiniest hint of a baby bump under the loose-fitting number, which she paired with black heels and a small Mulberry clutch.

The Duchess of Cambridge was presented with a posy of flowers by children from The Bridge Academy in Hackney

(L-R) Catherine, Duchess of Cambridge was welcomed to the event by Catherine Roche CEO of Place2Be

Catherine, Duchess of Cambridge certainly looked blooming after enduring a difficult start to her third pregnancy, attend a mental health forum in London

Catherine, Duchess Of Cambridge speaks at the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge received a posy of flowers and had her poppy pinned to her dress ahead of Remembrance Sunday this weekend, as she attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

The Duchess of Cambridge sat between Place2Be's CEO Catherine Roche (left) and president Dame Benita Refson during the annual School Leaders Forum at UBS London

Catherine, Duchess of Cambridge plain shift dress featured a button detail at the shoulder, adding interest to the understated look, as she attends the Place2Be schools forum for the third year running as royal patron

The Duchess of Cambridge chats to pupils from The Bridge Academy in Hackney ahead of the event

The Duchess of Cambridge is greeted by David Soanes, UBS Country Head, as she arrives at the annual Place2Be School Leaders Forum

Catherine, Duchess of Cambridge arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England. She is expecting her third child in April 2018

Catherine, Duchess of Cambridge applauds as she listens to speakers during the annual Place2Be School Leaders Forum.

The Duchess of Cambridge meets pupils from The Bridge Academy at the annual Place2Be School Leaders Forum at UBS London

Catherine, Duchess of Cambridge showed off her more relaxed maternity style in a loose-fitting burgundy dress by Goat, arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017.

Catherine, Duchess of Cambridge applauds as she listens to speakers during the annual School Leaders Forum at UBS London

Catherine Roche, CEO of Place2Be (L) and Catherine, Duchess Of Cambridge during the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

The Duchess of Cambridge is passionate about championing school support for children's mental health

The Duchess of Cambridge looked radiant in a burgundy dress by Goat as she arrived at the Place2Be conference on child mental health in the City of London

Catherine, Duchess of Cambridge arrives at the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge arrives at the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge is attending the Place2Be schools forum for the third year running as royal patron

(L-R) Catherine, Duchess of Cambridge is greeted by Place2Be's CEO Catherine Roche, as she arrives at the annual mental health forum in London

Catherine, Duchess of Cambridge is attending the Place2Be schools forum for the third year running as royal patron

Catherine, Duchess of Cambridge arrives at the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(R-L) Catherine, Duchess of Cambridge, Place2Be's CEO Catherine Roche and David Soanes, UBS Country Head, arrives at the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(R-L) Catherine, Duchess of Cambridge arrives to open the Place2Be's school leaders forum at UBS, in London, along with Place2Be's CEO Catherine Roche and David Soanes, UBS Country Head

Catherine, Duchess of Cambridge during the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge during the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge looked chic in a simple burgundy dress by Goat with a military style buttons detail on one shoulder and carried a small Mulberry clutch, arrives at the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge during the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge during the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge looked radiant in a burgundy Goat Eloise dress as she arrived at the Place2Be conference on child mental health in the City of London

 Catherine, Duchess of Cambridge during the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

The Duchess of Cambridge looked radiant in a burgundy dress by Goat as she arrived at the Place2Be conference on child mental health in the City of London

Catherine, Duchess of Cambridge during the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(L) Catherine Duchess of Cambridge met with Place2Be's CEO Catherine Roche, as she arrives to open the Place2Be's school leaders forum at UBS, in London.

Pregnant Catherine, Duchess of Cambridge, looks blooming in burgundy as she sports a loose-fitting dress to attend a mental health forum in London

Catherine, Duchess of Cambridge attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(L-R) Catherine, Duchess of Cambridge greeted by Place2Be's CEO Catherine Roche, as they attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(R) Catherine, Duchess of Cambridge and Place2Be's CEO Catherine Roche attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.  

(L-R) Catherine, Duchess of Cambridge greeted by Place2Be's CEO Catherine Roche, as they attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(L-R) Catherine Roche, CEO of Place2Be, Catherine, Duchess Of Cambridge and Dame Benita Refson, President of Place2Be during the annual Place2Be School Leaders Forum at UBS London, on November 8, 2017 in London, England.

The expectant mother Catherine, Duchess of Cambridge looked chic in a simple burgundy Goat Eloise dress with a button detail on one shoulder, displaying just the tiniest hint of a baby bump under the loose-fitting number, which she paired with black heels and carried a small Mulberry clutch, arrived at the Place2Be School Leaders Forum in London

Catherine, Duchess Of Cambridge attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England. 

Catherine, Duchess of Cambridge arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(R-L) Catherine, Duchess of Cambridge and Place2Be's CEO Catherine Roche arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(R-L) Catherine, Duchess of Cambridge and Place2Be's CEO Catherine Roche arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge arrived at the Place2Be School Leaders Forum in London in a wintry plum hue and the military style buttons on one shoulder, the above knee length dress is the 'Eloise' style by Goat, which she paired with black heels.

(L-R) Catherine, Duchess of Cambridge and Place2Be's CEO Catherine Roche arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge looked chic in a simple burgundy dress by Goat with a button detail on one shoulder, displaying just the tiniest hint of a baby bump under the loose-fitting number, which she paired with a small Mulberry clutch.

(R-L) Catherine, Duchess of Cambridge and Place2Be's CEO Catherine Roche arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(L-R) Catherine, Duchess of Cambridge, Place2Be's CEO Catherine Roche and David Soanes, UBS Country Head arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(L-R) Catherine, Duchess of Cambridge and Place2Be's CEO Catherine Roche chats as they attends the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(L-R) Catherine, Duchess of Cambridge and Place2Be's CEO Catherine Roche chats as they attends the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Pregnant Catherine, Duchess of Cambridge looks blooming in burgundy as she sports a loose-fitting dress to attend a mental health forum in London

(L-R) Catherine, Duchess of Cambridge, Place2Be's CEO Catherine Roche and David Soanes, UBS Country Head chats, as they arrives for the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

(L-R) Catherine, Duchess of Cambridge and Place2Be's CEO Catherine Roche chats as they attends the Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Britain's Catherine, Duchess of Cambridge and patron of national children's mental health charity Place2Be, delivers a speech at the annual Place2Be School Leaders Forum in London on November 8, 2017

Catherine, Duchess of Cambridge attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

Catherine, Duchess of Cambridge, looked chic in a simple burgundy dress by Goat with a military style buttons on one shoulder attend a mental health forum in London

Catherine, Duchess of Cambridge eschewed her usual fitted frocks for a loose-fitting above knee length Goat Eloise dress, which skimmed over her tiny bump, attend a mental health forum in London

Catherine, Duchess of Cambridge attends the annual Place2Be School Leaders Forum at UBS London on November 8, 2017 in London, England.

The Duchess of Cambridge displaying just the tiniest hint of a baby bump under the loose-fitting number at the Place2Be conference on child mental health in the City of London

The Duchess of Cambridge looked radiant in a burgundy dress by Goat as she arrived at the Place2Be conference on child mental health in the City of London