Prince William, who celebrates his 43rd birthday on Saturday, June 21, 2025, grew up in the public eye since he was born to Charles and Diana in 1982. See his best throwback photos here

Kensington Palace just posted a striking photo of Prince William alone. Kate Middleton wasn't with her husband due to a last minute cancelation—and a royal butler has thoughts on the whole thing.

Kate Middleton wished Prince William happy birthday with a new photo just days after canceling her Royal Ascot appearance. “Happy birthday!” the Princess of Wales captioned a snap of William — who turned 43 on Saturday — playing with a bunch of puppies on a field.