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

STRING THEORY

The 2000 release of No Strings Attached proves that Timberlake and his 'Nsync mates flex some serious – and well-toned – musical muscle; the album breaks records, selling an unprecedented 2.4 million copies in its first week. The action-packed video goes on to be the longest-running clip on MTV's request show TRL.