Justin Timberlake at 30: From Teen Dream to Leading Man

See how the birthday boy (Jan. 31) ditched the curls to become a singing, acting, designing phenomenon

'MINUTE' MAN

At 2008's Rock and Roll Hall of Fame Induction Ceremony, Timberlake reveals that honoree Madonna ordered him to drop trou for a vitamin B-12 shot while collaborating on the song "4 Minutes." "I don't know what you say to that, so I immediately dropped my pants," he says. "She gave me a shot in my a– and looks at me and says, 'Nice top shelf.' That was one of the greatest days of my life."