Demi at the X Factor US Top 12 party.

Demi Lovato for Latina magazine

Demi changing the lyrics of Fire Starter to “Bad Bitch”

Demi also addressed a girl on Twitter who called her arms fat. 
Instead of letting it get to her, she brushed it off. “Who
really cares? All that anybody should care about is my music.
So if my arms are fat, who gives a fuck?” she asked.