Carly Rae Jepsen - Billboard Music Awards 2012!

Carly Rae Jepsen goes glamorous as she arrives 2012 Billboard Music Awards held at the MGM Grand Garden Arena on Sunday (May 20) in Las Vegas.

The 26-year-old musician hit the stage to perform her hit single, “Call Me Maybe” for the energetic crowd.

“What an amazing night! #BBMA Thank-you!” Carly Rae tweeted.

Later in the night, Carly Rae joined The Wanted co-hosted one of the many BBMA’s after parties held at LAVO nightclub. “Hanging out with @thewantedmusic …honeys!” she wrote.

FYI: On the carpet, Carly Rae wore Jacob & Co. ring and studs. During her performance, she wore a fun BCBGMAXAZRIA ensemble.

15+ pics inside…