Pink – Stars Older Than You Think

Birthday: September 8, 1979

Age: 33

No. 1 Song in 1979: 'My Sharona' by the Knack

Other Notable Stars Born in 1979: Adam Levine, Usher and Jennifer Love Hewitt

Part of the reason Pink comes off as a much younger chick is her raucous personality, her youthful and fashionable faux-hawk, and her take-no-prisoners attitude. It also helps that she can rock a party anthem like no one's business. (You have 'So What' stuck in your head now, don't you.)