Demi Lovato Gives Fans Some Unqualified Advice on the 'Tonight Show Starring Jimmy Fallon' - Watch Here!

Demi Lovato is all smiles as she makes her way to the stage on the Tonight Show Starring Jimmy Fallon on Friday evening (August 15) in New York City. The 21-year-old singer rocked a beautiful blue pantsuit for her visit. PHOTOS: Check out the latest pics of Demi Lovato "Always a blast with my BFFFFFFFFFFFFFFFFFF