Bruno Mars
Bruno Mars has been perfecting his stage show as a toddler performing in his family's Vegas-style revue as an Elvis and Michael Jackson impersonator around Waikiki Beach. Mars, who taught himself to play drums, guitar and piano, wanted more than copycatting legends for tourists so he moved to Los Angeles after high school. Solo aspirations were put on hold when The Smeezingtons, the production team he founded with Philip Lawrence and Ari Levine, were hired to craft hits for folks like Flo Rida ("Right Round"), Travie McCoy ("Billionaire") and Cee-Lo ("F—k You"). After earning kudos for guesting on B.o.B's "Nothin'