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

One of our favorite moments of the 2015 MTV Video Music Awards was when Demi came out to perform her single "Cool For the Summer." We almost didn't blink as we were too afraid to miss a second of her sexy performance and her sensuous dance moves.

• What to wear: A sexy, strappy bodysuit that shows off the right amount of skin. A bold bright lip will add the perfect touch of sweetness. Slick your hair back with hair gel or hair spray.
• How to act: Like you're the hottest one in the room and you know it. Don't be shy to emphasize your rocking body.