The show will honor music's chart-toppers on May 22.
Billboard Music Awards
The 2015 Billboard Awards virtually belonged to Taylor Swift, but the award for Best After-Party Photo of the Night goes to Taylor's brother Austin.
Not only did Jennifer Lopez seem less than impressed by Mariah Carey's Billboard performance, she apparently spent much of it scanning her phone and chatting.
Kanye hasn't commented on his Billboard Music Awards performance, but people on Twitter and Instagram certainly have — here's our favorite reactions.
Check out our picks for the ten best moments from the 2015 Billboard Music Awards.
Taylor Swift name dropped a few of her famous friends, her brother, her Tumblr account and her fans during her countless acceptance speeches at the 2015 Billboard Music Awards tonight.
Britney and Iggy Iggs took "Pretty Girls" to the stage together for the first time at the 2015 Billboard Music Awards. Watch!
The 2015 Billboard Music Awards packed its three-hour broadcast chock full of incredible musical performances and collaborations on Sunday night (May 17). Watch them all here.
Taylor Swift and her suspected new boyfriend Calvin Harris fueled rumors of their romance even more at the Billboard Music Awards Sunday night (May 17), sharing a deep on-camera embrace during Swift's trip up to the podium to accept the award for Top 200 Album for 1989.
Sam Smith won the award for Top Male Artist at the 2015 Billboard Music Awards, and he made the audience read his acceptance speech.