When It Comes to Sexy Halloween Costumes, Jennifer Lopez Is an Endless Source of Inspiration

The music video for Jennifer Lopez's dance anthem "Waiting For Tonight" was set in some sort of jungle club, complete with green strobe lighting and lush green trees. J Lo kept it simple in a body-con two-piece, which proved to be the most practical for swiveling her hips to the music.

• What to wear: Find a pair of tight, short shorts in dark brown or black. Pair with a fitted spaghetti-strap top, and don't be shy with the body glitter.
• How to act: Like you're ready to party! Head to the dance floor and show off your sexy dance moves.