Royal was accompanied by a dapper Prince William on the second day of the horse racing week.
Duke of Cambridge is the voice of the people.
The Duchess of Cambridge sported her favourite Day Birger et Mikkelsen coat dress, which she debuted in 2006.
The Duchess of Cambridge finds a sartorial ally in Catherine Walker who made over 1000 dresses for Diana.
Royal couple signed a book at the US Embassy in London.
Pair were inseparable at the annual event as Kate looked resplendent in Catherine Walker.
Body language expert Judi James draws the similarities.
Queen Elizabeth II's 90th birthday party went outdoors to hold a picnic featuring a sumptuous spread.
The Duchess of Cambridge said she is relying on Prince George to keep her daughter 'in order.'
Duchess of Cambridge wore custom-made powder blue coat dress by Catherine Walker.
Thousands of people turned out to watch events celebrating the Queen's official 90th birthday.
The royal family attended St Paul's Cathedral for a service celebrating the Queen's 90th birthday.
The Duchess of Cambridge met athletes who will be competing in the forthcoming Rio 2016 Olympics.
Duke of Edinburgh has stepped down from royal duties in his 96th year.
Royal left his boxing gloves at home for the occasion.
Glittering Catherine Walker gown is also up for grabs in Kerry Taylor auction.
Prince Philip cancelled appearance at Battle of Jutland earlier this week due to ill health.
The card features a photo of Charlotte and expresses gratitude for her birthday gifts and wishes.
Charities have reportedly been struggling to pay the £150 asking price per person for the event.
Card from Duke and Duchess of Cambridge shared on Twitter by royal photographer Paul Ratcliffe.
The Duchess of Cambridge attended Queen's party in a ruffled coatdress that she wore at Prince George's baptism.
Members of the Royal family attend the preview of the horticultural event at the Royal Hospital Chelsea in London.