Kate Middleton, Prince William, Prince Harry, and several other members of the royal family gathered for a Thanksgiving Service at St. Paul’s Cathedral to celebrate Queen's 90th Birthday!
The Duchess of Cambridge and her husband seemed in great spirits as they giggled walking into the service.
Kate looked pencil thin in a pale blue coat dress.
The 34-year-old royal revealed her secret to staying thin is “running after” her two kids!
Do you think Kate is too skinny? Let us know in the comments!