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 @jimmyfallon… (Aka the best) #tonightshow #votedemilovato,” Demi tweeted along with a few pictures of herself on set, pictured inside.

Before her interview, Demi gave advice to some fans on things she’d never experienced before, including going to college and what to wear to an ex’s wedding.

FYI: Demi is wearing a Ted Baker London suit.

Check out the entire video below!