Who is Justin Timberlake? Justin Randall Timberlake, (born January 31, 1981), sometimes known as JT, is an American pop-R&B singer and actor. He came to fame as the frontman of pop boy band `N Sync and has won four Grammy Awards. In 2002, he released his debut solo album, Justified, which sold over seven million copies worldwide. Timberlake`s second solo release, FutureSex/LoveSounds, was released in 2006 with the #1 U.S. hit singles "SexyBack", "My Love", and "What Goes Around... Comes Around". With his first two albums, Timberlake has sold over 14 million albums worldwide. He has started a record label called Tennman Records.