Birthday: January 29, 1982

Age: 31

No. 1 Song in 1982: 'Physical' by Olivia Newton-John

Other Notable Stars Born in 1982: Lil Wayne, Kelly Clarkson and Anne Hathaway

Yet another 'American Idol' export, Adam Lambert makes our list for being in his 30s despite an adorable baby face that makes him look like he fell right out of a high school teen drama. With singing. And healthy doses of the fabulous. (Hey, they don't call him Glambert for nuthin'.)