She already stepped out nailing a (on theme) casual outfit and looking pretty in pink at various events, and she just made a major case for the little white dress during a day at the Royal Ascot races in her latest summery look.
The royal family wished William a "Happy Birthday" on Twitter with a sweet photo of the prince, his son, Prince Charles, Queen Elizabeth II and Duchess Catherine.
Kate Middleton to the rescue!
Do you think that Prince William will perform his royal duties well when he starts working full-time for the palace?
It was announced in January that the Duke and Duchess of Cambridge will be moving to London later this year, settling in the capital for the long term from Autumn.
Taliban attack kills 5 policemen in Afghanistan
Officials at the northern base tell Jennifer Glasse, who reported from Kabul for our Newscast unit, that the shooter was killed. Since the start of their spring offensive three insider attacks have occurred, compared to the two carried out previous year .
Today, Sophie, who is married to the Queen's youngest child Prince Edward, looked far younger than her 52 years as she joined her husband in the royal box at Royal Ascot. Fashionistas from both sides of the pond have been desperate to get their hands on all of the same dresses and accessories that Kate wears whenever she's in public.
The duke recently accompanied his grandmother when they visited the scene of the Grenfell Tower fire to speak with victims in the wake of the tragedy.
The Daily Mail showed exclusive pictures of Sophie, 52, nearly tumbling onto the Duchess of Cambridge after she appeared to lose her footing as she stood up in the carriage. According to The Independent, Prince William will be spending the day with his wife and two kids, Prince George and Princess Charlotte.
Prince William turns 35 on Wednesday (June 21) and to celebrate, the royal is spending the day privately with his family and friends.