It's confirmed!  Miranda Lambert will perform at the 55th annual Grammy Awards!

Miranda joins some serious country star power for the Grammy's.  Taylor Swift and Carrie Underwood have already been confirmed as performers for the award's show.

Her "Four the Record" album is nominated for a Grammy for Best Country Album.

LL Cool J is the host of this year's Grammy's and they will air live on February 10th at 8pm on CBS.