Kellie Pickler Performs with Shaved Head at ACM Honors!

Kellie Pickler shows off her newly shaved head at the 6th Annual ACM Honors held at the Ryman Auditorium on Monday (September 24) in Nashville, Tenn.

The 26-year-old singer hit the stage to perform a cover of Tammy Wynette‘s “Stand By Your Man” in tribute to the song’s co-writer and producer Billy Sherrill.

PHOTOS: Check out the latest pics of Kellie Pickler

Kellie shaved her head in support of her pal Summer Holt Miller, 36, who was diagnosed with breast cancer back in June.

10+ pictures inside of Kellie Pickler at the 6th Annual ACM Honors…