Former 'American Idol' Carrie Underwood and current 'AI' judge Steven Tyler will reunite this Super Bowl weekend to perform together, and it seems as if their upcoming 'Crossroads' duet slot together has already been rehearsed. New photos hit the web on Thursday that show the 'Before He Cheats' hitmaker belting out the big notes with her Aerosmith partner.

The pictures show Underwood and Tyler staged in front of their respective microphones, one spackled in glitter (hers) and one with ribbons strewn about (his). They seem to be having a lot of fun together -- though we wouldn't expect any less from two of music's greatest icons.

Underwood and Tyler made their duet debut together nearly a year ago at the 2011 ACMs last April. On Saturday, viewers will watch on as they sing their hearts out once more during the 'CMT Crossroads: Steven Tyler and Carrie Underwood Live From the Pepsi Super Bowl Fan Jam’ special, which is scheduled to air on Feb. 4, a day before the Super Bowl.

Watch Steven Tyler and Carrie Underwood Check In From Rehearsals