Olivia Culpo celebrates the success of Nick Jonas

Miss Universe 2012 Olivia Culpo was spotted in Las Vegas with her boyfriend Nick Jonas. She celebrates the success of Chains. Indeed, Former Jonas Brothers Member's first single Chains was released on July 24th. “Chains” is already trending on Twitter worldwide and Nick is sharing his excitement on Instagram and Twitter.

Nick Jonas and Olivia Culpo at the XS Club in Vegas.

As Nick Jonas very well described, Chains is a song that "anyone can relate to". It's about "feeling trapped", he said to MTV News. (some people around the Internet are expecting some kind of “Fifty Shades Of Grey” video but probably will be something basic without any shirtless scene).