Bruno Mars & LMFAO: Vegas for New Year's!

Bruno Mars rings in the new year at The Bank Nightclub at Bellagio on Saturday (December 31) in Las Vegas.

The 26-year-old entertainer played a 45-minute show with a 9-piece band and rocked out on both his current hits and old-school covers.

Also pictured inside is LMFAO‘s RedFoo, who led the celebration at Haze Nightclub at Aria and performed nearly an hour of the band’s hits. including “Party Rock Anthem” and “Sexy and I Know It”.

“I wanna wish you all a happy and safe new year. I thought 2010 was great but thanks to you guys 2011 has been the greatest year of my life!” Bruno wrote on his Twitter account.