PEOPLE Magazine 40th Anniversary

Look Who's Turning 40

From Leonardo DiCaprio and Victoria Beckham to Hello Kitty and Happy Days, see who's celebrating the milestone with PEOPLE

KATE MOSS

If this is 40, consider us sold! The world's most famous waif is now a mom and wife but still busy as ever as the face of campaigns for Rimmel and Burberry and a designer at Top Shop. "I turned 40 and I felt more comfortable in my skin, probably more comfortable than I ever have. It's an actual feeling," the supermodel, who celebrated her big day on Jan. 16, told The Sunday Times. "I'm still nervous at times, but not as nervous."