Super Bowl Usher SlashUsher and former Guns N' Roses guitarist Slash will join the Black Eyed Peas halftime show at the Super Bowl Sunday, an insider revealed to the AP.

The source spoke anonymously as the appearances were planned as a surprise for Sunday's game between the Green Bay Packers and Pittsburgh Steelers.

The Black Eyed Peas were notably the first young group chosen to perform since Janet Jackson and Justin Timberlake's instance of indecency in 2004.