LOS ANGELES - Eminem and Lady Antebellum lead nominees for the 38th annual American Music Awards with five nods each. Teen heartthrob Justin Bieber has four nominations, while Katy Perry, Ke$ha, B.o.B. and Usher have three each.

Eminem and Bieber are each up for favourite pop/rock artist and album, and the rapper is also nominated for favourite artist and album in the rap/hip-hop category. Bieber, Eminem, Perry, Ke$ha and Lady Gaga are all up for artist of the year.

Lady Antebellum is nominated for favourite band, duo or group in the pop/rock and country categories, along with favourite country album, favourite adult contemporary artist and the breakthrough artist award.

Music fans vote online. Nominees were selected based on chart ratings for sales and radio and Internet play.

The awards will be presented Nov. 21.