Demi Lovato: Blue Hair for Leno!

Demi Lovato shows off her new blue locks while performing on The Tonight Show with Jay Leno in Los Angeles on Wednesday night (October 2).

The 21-year-old singer joined comedian Kathy Griffin on the show, along with Newt Gingrich.

PHOTOS: Check out the latest pics of Demi Lovato

Over the weekend, Demi announced tour dates and opening acts for her upcoming Neon Lights Tour.

Fifth Harmony, Cher Lloyd and Little Mix will be hitting the road with her this fall!

WHAT DO YOU THINK of Demi’s blue hair?