Ashanti leads the field for the 30th annual American Music Awards with nominations in five categories, followed closely by Eminem and Nelly, who each garnered four. Ashanti's self-titled Def Jam debut

Ashanti leads the field for the 30th annual American Music Awards with nominations in five categories, followed closely by Eminem and Nelly, who each garnered four. Ashanti's self-titled Def Jam debut is up for favorite album in both the pop/rock and R&B/hip-hop categories; she is also nominated for best new artist in both genres. As previously reported, Ozzy Osbourne and his family will host the event, airing live Jan. 13 on ABC from Los Angeles' Shrine Auditorium.

Eminem and Nelly will battle for favorite pop/rock male artist and in both the pop/rock and R&B/hip-hop favorite album category for "The Eminem Show" (Shady/Interscope) and "Nellyville" (Fo' Reel/Universal), respectively.

Enrique Iglesias, Celine Dion, Pink, Creed, Linkin Park, B2K, Nappy Routs, Alan Jackson, Toby Keith, and Dixie Chicks all scored two nominations.

Nominees are compiled from music industry publications and the results are revealed at the ceremony. Winners are selected by a national sampling of about 20,000 listeners. For more information, visit the event's official Web site.

For a full list of nominees, click here.