Instagram: @Arianagrande Who’s ready for summer? Yep, us too. And so is Ariana Grande – at least if her latest outfit is anything to go by. The pop superstar’s recent holiday-ready Instagram post captures her in a look that screams summer. Posing poolside, Ariana embraced the forthcoming season’s skimpiest, sassiest trend: the extreme crop top. Already worn by Bella Hadid and Charli Howard, the style is as much a bra with sleeves as it is a top, and comes courtesy of New York brand Mirror Palais. The star’s “Underwire Polo” in a sheer lemon fabric was just the thing to show of...