Nick Jonas Celebrates 22nd Birthday at Hakkasan Las Vegas Nightclub

Nick Jonas Celebrates 22nd Birthday at Hakkasan Las Vegas Nightclub
Singer-songwriter Nick Jonas and girlfriend Olivia Culpo celebrated his 22nd birthday at Hakkasan Las Vegas Nightclub at MGM Grand on September 19, 2014 in Las Vegas, Nevada (Photo credit: Denise Truscello / WireImage / www.DeniseTruscello.net)

Nick Jonas is an American singer-songwriter, musician, actor and multi-instrumentalist, best known as one of the Jonas Brothers, a pop-rock band he formed with his brothers Kevin and Joe.