Justin Timberlake

In July, actor/singer Justin Timberlake accepted a YouTube invitation to attend a Marine Corps Ball with Cpl. Kelsey De Santis. Timberlake made good on his promise this past Saturday. But did he "bring sexy back" as well?

Whenever musician and 'In Time' star Justin Timberlake is on 'Late Night with Jimmy Fallon,' it's safe to say it's hip hop duet time. The other night Jimmy and Justin performed part three of their ongoing 'History of Rap' series.

Does Justin Timberlake ever sleep? The singer/actor took time out of his busy schedule to appear in the music video for 'Hoodies On, Hats Low,' the debut single from Memphis-based band FreeSol. But JT didn't just make a cameo in the video, he also directed it.

Justin Timberlake really, really, really wants us to take him seriously as an actor.

During a press junket for the Russian premiere of 'Friends With Benefits' a reporter, speaking in Russian, asked Justin Timberlake why he was acting, instead of just focusing on his music career. While Timberlake waited for the translation to come through over his earpiece, costar Mila Kunis, who lived in a Russian-speaking part of Ukraine until she was seven, used her first language to snap back

On Tuesday night's 'Late Night with Jimmy Fallon,' the talk show host and guest Justin Timberlake reminisced about their popular 'History of Rap' performance from last year and said how they could never ever possibly top that. But then they gave it a go anyway, teaming up for the next awesome chapter: 'History of Rap, Part 2.'

If he can bring sexy back, why not Myspace? It's been revealed that Justin Timberlake was a significant financial backer of Wednesday's $35 million dollar acquisition of Myspace by digital advertising firm Specific Media from former parent News Corp. Timberlake, who played Napster founder and Facebook investor Sean Parker in the 'The Social Network' will "lead the business strategy"

On 'Late Night With Jimmy Fallon,' the funnyman and guest Justin Timberlake surprised the audience with a roof-raising medley of history's greatest rap hits, from the Sugarhill Gang's 'Rapper's Delight' all the way to Jay-Z's 'New York, New York.'  Watch the clip below: