Christina took her Back to Basics Tour to Las Vegas this weekend, however, one concert wasn't enough for the pop star. After her show on stage at Mandalay Bay she headed over to Pure in Caesars Palace to help the Pussycat Dolls celebrate the opening of their new casino. Xtina and the Dolls at one club? We bet that dance floor was hot!
More of Christina singing her little heart out on stage and walking the red carpet along with the Dolls so