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

J Lo taught us love isn't about material things in her music video for "Love Don't Cost a Thing," but she did so in bling from head to toe.

• What to wear: Pair a white spaghetti-strap top with boot-cut jeans and a long cardigan. Don't forget the accessories — layer a few long gold necklaces and wear a gold chain belt.
• How to act: Make sure you strut wherever you go. If you have to open a few doors, make sure you do it in the most dramatic way possible.