The duchess covered up her baby bump with a collarless cream-colored coat.
Rossi has been named Designer of the Year by Footwear News for the second time in five years.
The royal women joined other family members for the annual event.
The Duchess of Cambridge made an impassioned speech on children’s mental health at the annual School Leaders Forum.
The queen is also a fan.
The pregnant duchess accompanied Prince William and Prince Harry.
The duchess danced with Paddington Bear.
The pregnant duchess made an appearance at World Mental Health Day in London.
The Duke of Cambridge wore the same shoes he had worn to take his son to his first day of school.