Leonardo DiCaprio is partying in South Beach just in time for Miami Music Week and electronic music extravaganza Ultra. The star of “The Great Gatsby” was spotted at Italian eatery Bianca at the Delano before hitting nightclub Story to watch Skrillex DJ on Tuesday night. On Wednesday, the eternal bachelor was at it again — grabbing dinner with eight friends at Baoli, where we’re told he tipped back Dom Perignon, smoked an electronic cigarette and “was swarmed by women.” Naturally.