Demi isn't afraid to go deep when it comes to songwriting. It's hard to narrow down Lovato's most powerful ... game / You better watch out / I'm a fire starter." ("Fire Starter") 7.

Pop singer Demi Lovato is a Grammy nominee for a reason ... and I'm gonna steal your game / You better watch out / I'm a fire starter." "It's time for me to take itI'm the boss right now ...

On Thursday night, Fallon invited Demi Lovato to join him on The Tonight Show, and the singer was asked to perform renditions of popular songs with jumbled lyrics ... Story of Fire Saga, alongside ...