Forget cleavage. This spring, the midriff is fashion’s erogenous zone of choice, with designer after designer sending models down the runway in belly-baring ensembles. The look, however, is much more subtle than the crop tops of the early ‘90s, as these celebs demonstrate. Sometimes just a sliver of skin is sexier than the full monty. Click here to read Vanessa Lawrence's article from the May 2013 issue.