Crazy for Crop Tops

The hot new accessory in Hollywood? Apparently it's abs. And if you've got 'em (which Selena Gomez, Diane Kruger and these other stars certainly do), there's no reason not to flaunt 'em in a short shirt. Now excuse us while we do 100 sit-ups...

SELENA GOMEZ

Good news! Your bikini top now doubles as a going-out top. At least, that's what we're gathering from the star, who hits the red carpet in a beach-ready floral-print bustier by Dolce & Gabbana.