Carrie Underwood Joins The Jonas Brothers

Fresh off her second consecutive win as Top Female Vocalist at the Academy of Country Music Awards, Carrie Underwood, will return to the American Idol stage to perform on Wednesday for the season 7 finale show.

Carrie, 25, will perform her current co-written smash hit “Last Name.” She joins The Jonas Brothers, who will be performing their hit song “S.O.S.” Be sure to tune in Wednesday, May 21 @ 8PM ET/PT on FOX!

To check out Carrie performing “Last Name” at last night’s Academy of Country Music Awards, click here!

35+ pictures inside of Carrie Underwood at the 2008 CMA Awards…