Steve Granitz/WireImage; Jason LaVeris/FilmMagic
Grace Gavilanes
Jan 31, 2015 @ 8:08 am

Happy birthday, Justin Timberlake! The singer-actor turns 34 today. In what's perhaps the most notable transition from boy band member (*NSYNC forever!) to successful solo artist, Timberlake has exceeded every expectation in the music and film industries. The star has won Emmys, Grammys, and scored his first Golden Globe nomination last year for his song "Please Mr. Kennedy," which was featured in the film Inside Llewyn Davis. Now, the star is preparing to take on a different role, as doting dad with wife Jessica Biel --  the couple are expecting their first child together later this year.

Timberlake has come a long way since his Mickey Mouse Club and all-denim-wearing days. From frosted tips and a crop of curls, to a clean buzz cut and sleek pompadour, we're taking a look back at JT's transformation in honor of his birthday.

PHOTOS: Justin Timberlake's Changing Looks Through the Years

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