Super Bowl 2012: Hollywood Invades Indianapolis

Katy Perry, Taylor Lautner, Madonna and more stars celebrate football's biggest event

  • JUST DUET
 photo | Carrie Underwood, Steven Tyler

Credit: Rick Diamond/Getty

Updated: Monday Feb 06, 2012 | 09:25 AM EST By: Janet Mock

JUST DUET

Carrie Underwood and American Idol judge Steven Tyler team up for a tune at Saturday's CMT Crossroads Live, held at Indianapolis's Pepsi Coliseum.