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...

ASHLEY MADEKWE

If you start spotting PEOPLE.com editors walking around wearing loose crop tops and coordinating minis, blame it on this Revenge star. She's so freakin' stylish (seen here in a floral-printed J.Mendel two-piece) that we'd try any trend she did.