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

Demi embodied total '90s grunge in her 2015 iHeartRadio Music Festival look. The wickedly gorgeous look supported her empowering vocals as she sang her heart out that night.

• What to wear: Find a striped bodysuit, and add a thick leather belt. Finish the look with a black fur or feathered jacket. Wear your hair in '90s-inspired knots.
• How to act: Like you're the epitome of badass. You ooze self-confidence and power. Keep a straight face, but smile with your eyes.