Rihanna on top at Billboard Awards
Rihanna leads the most nominations at this year's Billboard Music Awards.
The S&M singer is up for 18 gongs, including Top Hot 100 Artist, Female Artist, R&B Artist and Dance/Electronic Artist at next month's bash.
Rapper Eminem follows in 16 categories, with nods for Top Artist, Male Artist and Rap Artist, while Lady Gaga is up for 12 awards.
Justin Bieber and Bruno Mars are up for 11 gongs, and both in the running for New Artist and Male Artist.
Other New Artist contenders are Ke$ha, Nicki Minaj and Taio Cruz, whose song Dynamite is up for five awards including Top Hot 100 Song.
British nominees include Susan Boyle (Top Billboard 200 Artist and Album), Roger Waters (Touring Artist), Mumford And Sons (Rock Song, Rock Artist and Alternative Artist, Alternative Song, Alternative Album), Muse (Rock Artist and Alternative Artist), La Roux (Dance Artist), Florence And The Machine (Alternative Song) and Sade (R&B Album).
U2 are up for Group and Touring Artist.
The winners will be announced at the Billboard Music Awards show - where Rihanna and the Black Eyed Peas are performing - in Las Vegas on Sunday, May 22.