See what this year's nominees looked like when they first entered the spotlight.
She performed tracks from 'Dangerous Woman' on the Billboard stage.
Rihanna took the Billboard stage to perform the 'Anti' ballad.
Watch as two musical icons pay their respects to the late legend.
Troye made his debut on the Billboard Music Awards stage on Sunday night (May 22).
The pop superstar performed the Queen cover, and it was a triumphant moment.
Kesha blew the BBMAs audience away with an emotional cover of Bob Dylan's "It Ain't Me Babe."
She performed the summery 'Confident' pop bop on Sunday night (May 22).
If you're extra thirsty for some early aughts nostalgia, look "NO" further than Meghan Trainor's 2016 Billboard Music Awards performance.
Watch the group perform "Work From Home" at the 2016 Billboard Music Awards.