The Las Vegas show will air on ABC at 8 ET, live from the MGM Grand Garden Arena. "30 Rock" alum Tracy Morgan will host, with Don Mischer producing.
The star-studded show has previously announced performances from Taylor Swift, Bruno Mars, Miguel, Justin Bieber, Pitbull, Christina Aguilera, Selena Gomez, the Band Perry, Macklemore & Ryan Lewis, Kacey Musgraves and Prince, with the latter set to receive the Billboard Icon Award.
Bieber, Swift and Mars are also vying for the Milestone Award, presented by Chevrolet, which is a fan-driven honor that one voter will get to present at the show alongside Cee Lo Green.
Swift, fun. and Maroon 5 top the finalists at the 2013 awards, with each included in 11 categories. Rihanna competes in 10 categories, including Top Artist against Swift, Maroon 5, Justin Bieber and One Direction, while a pair of younger artists -- Carly Rae Jepsen and 1D themselves -- are finalists in nine and eight categories, respectively.
Billboard Music Awards finalists were based on key fan interactions with music, including album and digital singles sales, radio airplay, touring, streaming and social interactions on Facebook, Twitter, YouTube, VEVO, Spotify and other popular online destinations for music. These measurements were tracked year-round by Billboard and its data partners, including Nielsen Entertainment and Next Big Sound.
Stay tuned for more announcements on performers, presenters and more for the May 19 airing of the 2013 Billboard Music Awards on ABC.