It has been a decade since she was on tour, but Christina Aguilera is back on the road promoting her newest album, Liberation. And, of course, she’s hit the ground running. The Liberation tour kicked off last week with stops in Hollywood and Atlantic City, and this week, Aguilera performed at Radio City Music Hall in New York City. Here, Aguilera offers an exclusive behind-the-scenes look at her New York City shows, including backstage moments with her children, Max, 10, and Summer, 3.

Click on the pic for the Gallery!