Ke$ha is ready to rock the Billboards!
Joining Ke$ha for this year's Ken Jeong-hosted bash will be Ne-Yo, Far East Movement and One Republic.
Rihanna leads the ranks this year with 18 nominations, including Top Artist, Top Female Artist and Top R&B artist. Lady Gaga follows close behind with 12 nominations to her name. This year, Billboard will honor Beyonce with the 2011 Billboard Millennium Award for her industry achievements.
The annual event, held at Las Vegas' MGM Grand, will be broadcast May 22 at 8 p.m. (EST) on ABC.