Chris Brown arrived at his birthday celebration at 1 OAK Nightclub at the Mirage Hotel and Casino on May 4, 2013 in Las Vegas, Nevada (Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net).
Chris Brown was with his ex-girlfriend Karrueche Tran. Also seen on the red carpet was Fabolous.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.