16 Demi Lovato Costume Ideas That Will Make You Cool For Halloween

Since Demi released her line with Fabletics, she's been wearing more and more athletic gear, which is perfect since she's so into working out.

• What to wear: Grab whatever athletic gear you have at home and your favorite pair of workout sneakers.
• How to act: Be ready to run a mile in a heartbeat, and make sure to have a bottle of water or a smoothie close by.