Grace VanderWaal Performs Original Song 'Clay' on 'The Tonight Show' (Video)

Grace VanderWaal is surrounded by pink lights on stage during her performance on The Tonight Show on Friday (September 23) in New York City.

The 12-year-old America’s Got Talent winner stopped by the show and tried to sing with marshmallows in her mouth along with host Jimmy Fallon before performing her original song, “Clay”.

PHOTOS: Check out the latest pics of Grace VanderWaal

Earlier in the week, Grace stopped by the BMI headquarters in the Big Apple and met with executives Samantha Cox, Brooke Morrow and Tim Pattison .

Click inside to watch more of Grace’s interview on The Tonight Show…