The epic lineup for the 2014 Billboard Music Awards

The 2014 Billboard Music Awards are this Sunday at 8/7c on ABC. Before you sit down with your friends to critique everyone's outfits, you might want to know who's actually performing.

There are 18 confirmed performers for the show at the MGM Grand, from pop royalty like Katy Perry and Jennifer Lopez to newcomers Lorde, Imagine Dragons and Iggy Azalea. It's bound to be a great show - just be sure to cover the little ones' eyes when Miley Cyrus takes the stage.