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

JOAQUIN PHOENIX

Don't expect Phoenix to become more mellow as he enters his fourth decade on Oct. 28. Whether trying out a rapping career or jumping on the man-bun bandwagon shortly after falling in love with his Siri-like pal in Her, the Oscar nominee always keeps us on our toes. "In private, I live a very quiet life," the famous vegan has said. "I’ve never bungee-jumped. I’ve never sky-dived out of a plane. But in my work I like that intensity. My extreme sport is acting."