Justin Timberlake matures past boy band idol, targets business, acting

Who does Justin Timberlake think he is? Seriously. The life of the Memphian country music balladeer-turned-Mouseketeer-turned-pop music puppet-turned-MTV megastar-turned-sex symbol-turned-fashion icon-turned- salesman-turned-entrepreneur-turned-comedian-turned-thespian is taking yet another turn. He's turning 30.

Photos: JT through the years
Timeline: musical highlights