Ke$ha & Lupe Fiasco: Awards Show Performers

Ready to bring her glittering-awesomeness to the stage, Ke$ha has just been officially announced as a performer at the upcoming Billboard Music Awards.

As Us Weekly reports, the "Blow" singer, who is up for six trophies, will take center-stage at this year's Ken Jeong-hosted bash in Las Vegas on Sunday, May 22nd.

Just tapped to lend his vocal talents to the 2011 MTV Movie Awards is fellow Billboard chart-topper Lupe Fiasco.

The Chicago rapper is slated to perform at the June 5th show alongside Trey Songz, where they'll sing their collabo track "Out of My Head."