Will.i.am Performs 'Bang Bang' On American Idol

Will.i.am stopped by the set of American Idol to perform his single "Bang, Bang" during the top four results show. The track is featured on his new album, #willpower, as well as The Great Gatsby soundtrack.

For the performance, the Black Eyed Peas fronter was joined by a full backing band and a flapper girl. He also showed some slick tap dancing moves.

Will was recently announced as a special guest at Jay-Z and Justin Timberlake's Legends of The Summer Wireless Festival finale, set to take place July 12-14 at London's Queen Elizabeth Olympic Park.

Other recently announced additions include Sub Focus, Zane Lowe (DJ Set), Bluey Robinson, Drop City Yacht Club, Devlin, Taboo and Misha B.

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