Ebay offers Assets by Spanx Women's Flawless Finish Cupped Midthigh Bodysuit for $18.99 (reg $48) with free shipping.

Product Description:
This innovative bodysuit combines a strapless bra with a comfortable mid-thigh shaper for the perfect all-in-one solution for your wardrobe. Designed with all-over shaping magic and lightweight fabric, this style gives you a totally sleek look for any occasion. Featuring removable and adjustable straps, this versatile bodysuit can be worn five ways, so you can pair it with almost any dress (especially strapless)!

• Closure Type: Pull On
• Sizing: Womens
• Material: 64% Nylon, 36% Spandex
• Sheerness: Opaque
• Control Type: Medium Control Top
• Care and Cleaning: Machine Wash & Line Dry or Lay Flat to Dry