Bringing their hot new hit to the stage, Christina Aguilera and Pitbull performed at the 2013 Billboard Music Awards on Sunday (May 19).

Revving up the Sin City crowd, the pair launched into their song, "Feel This Moment" to the fan frenzy at the MGM Grand Garden Arena.

Competition for each and every trophy tonight will be fierce, with “Saturday Night Live” alum Tracy Morgan handling the hosting duties.

The top nominees this time around are Taylor Swift, Maroon 5 and fun each with eleven chances at scoring some hardware, while Rihanna received ten nods and Carly Rae Jepsen was nominated in nine different categories.