ACM Awards 2015: Christina Aguilera and Rascal Flatts Perform "Riot"

Christina Aguilera - H 2015
AP Images

Christina Aguilera - H 2015

Luke Bryan and Blake Shelton co-hosted the 50th annual awards.

Christina Aguilera and Rascal Flatts performed "Riot" at the Academy of Country Music Awards on Sunday night at the AT&T Stadium in Arlington, Texas.

The Voice coach shared the stage with the band as they sang the country group's single.

Fellow Voice judge Blake Shelton co-hosted the awards with Luke Bryan at the stadium — the home of the Dallas Cowboys.