Full show: Pitbull and Christina Aguilera Fell this moment Billboard Music Awards 2013 live performance Pitbull and Christina Aguilera Fell this moment Billboard Music Awards 2013 live performance Pitbull and Christina Aguilera Fell this moment Billboard Music Awards 2013 live performance Pitbull and Christina Aguilera Fell this moment Billboard Music Awards 2013 live performance Pitbull and Christina Aguilera Fell this moment Billboard Music Awards 2013 live performance Pitbull and Christina Aguilera Fell this moment Billboard Music Awards 2013 live performance Pitbull and Christina Aguilera Fell this moment Billboard Music Awards 2013 live performance