WATCH: Christina Aguilera Rocks Vegas

Christina Aguilera isn’t letting her breakup slow her down. After she performed some of her classics (“Fighter”, “Beautiful”, “Ain’t No Other Man”) at Justin Timberlake’s benefit for Shriners Hospital for Children, the once again blonde bombshell took her dancers to Tao and partied until 3 a.m. 

Also representing at J.T.’s benefit was Selena Gomez. According to E!Online, Timberlake told the crowd that Xtina was "No contest, the best vocalist of my generation." We will all get a chance to see that voice in action when Christina performs at the American Music Awards on November 21.

Check out the video below to see her performing "Beautiful" at the benefit concert this weekend: