Top 40 powerhouse KIIS Los Angeles has announced the lineup for its 2011 "Wango Tango" concert, to be held May 14 at the Staples Center.

This year's roster includes Britney Spears, as a special guest host, and performing artists Ke$ha, Pitbull with guest Jennifer Lopez, Selena Gomez, Lupe Fiasco, T-Pain, Jason Derulo, Far East Movement, New Boyz, Cobra Starship, and breaking teen pop artist Cody Simpson. For more information, click here.

Clear Channel Sister KHTS (Channel 93-3) San Diego also announces the lineup for its Summer Kick-Off Concert, to be held the day before. The KHTS lineup is also Ke$ha and a solo Pitbull, with Big Time Rush, Nelly, Taio Cruz, Far East Movement, New Boyz, Cody Simpson, and Lupe Fiasco.

For more station concerts across the nation, visit Radio-Info.com's Stations On Stage in the event calendar.