Christina Aguilera Takes the Stage for Shriners Hospitals

  Making her first stage appearance since announcing her divorce, Christina Aguilera partook in the Justin Timberlake & Friends Concert at Planet Hollywood Resort and Casino in Las Vegas on Saturday night (October 23).

Occurring during Timberlake's annual Shriners Hospitals for Children Open, the "Burlesque" beauty joined Justin, Sir Elton John and T-Pain while rocking the stage with proceeds headed to Shriners Hospitals for Children.

Dishing about Miss Aguilera's musical efforts, an attendee told Radar Online, "Christina looked amazing and totally kicked butt."

Coming on the heels of her divorce filing from now ex-husband Jordan Bratman, the insider added, "She sang her song Fighter. She was terrific."