Talk about an unexpected duet. But Meghan Trainor and John Legend very much made it work while taking to the stage at the 2015 Billboard Music Awards.
Mariah Carey debuted the song "Infinity" at the 2015 Billboard Music Awards. She also included with it a medley of past hits. But did she hit all the right notes?
The Breakfast Club Forever! Simple Minds will always have a place in our hearts thanks to "Don't You Forget About Me," which they perform here at the Billboard Music Awards.
Won't you stand? Won't you stand by me? Imagine Dragons performed this classic track at the 2015 Billboard Music Awards. Watch them do so here.