Justin Timberlake attends the 'Inside Llewyn Davis' Press Conference during The 66th Annual Cannes Film Festival at Palais des Festivals on May 19, 2013 in Cannes, France.
Vittorio Zunino Celotto/Getty Images
As the pop star celebrates his 36th birthday on Jan. 31, we take a look back at the highlights of his career and personal life (so far) — from boy-band heartthrob to triple threat and father-to-be.