Billboard Music Awards 2013: 10 Best Moments (Photos)

Slideshow posted in Photos | Sunday, May 19, 2013

5 of 10: Christina Aguilera and Pitbull performed their new single, 'Feel This Moment,' at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 19, 2013 in Las Vegas.

The performance featured a special guest by A-Ha singer Morten Harket, who sang his 1980s classic 'Take On Me.' Aguilera and Pitbull sample the famous New Wave classic in their modern dance hit. (Photo/Albert Ferreira / ABC)