Kate Middleton usually looks elegant and composed when she's performing her royal duties , but, like every human, she does occasionally drop her picture-perfect grin to reveal deeper emotions. The Duchess of Cambridge made headlines last week when she giggled, grimaced, and bit her lip while watching two dramatic tennis games during Wimbledon . Indeed, Kate tends to show off her least "princess-y" expressions when she's doing one of her favorite things — watching sports. Since the duchess isn't too princess-y to play sports , it's only natural that her funniest moments would come while she is watching athletes do their thing! Keep scrolling to see Kate's funniest faces from over the years.