I put this stretchy number on Gayle King and Lisa Kogan, and it instantly sucked them in and made their waists look tiny—er, even tinier.
Instantly Slimming Dress, $160; WHBM.com
The Little Black Pant
An inner front panel tucks your tummy, and the stretch fabric slenderizes all over.
Perfectly Slimming Pant, $72; RafaellaSportswear.com