Bellagio's beloved but aging Fontana Bar was transformed into Sam Nazarian’s hot new Hyde Bellagio a couple of years ago. Today, the sleek, Philippe Starck-designed space, with a much-expanded terrace, is a subdued lounge until 10 p.m., but shifts into a thumping insider scene for Vegas and L.A. influencers thereafter. It’s been a good celeb hangout since its launch: J. Lo dropped a single here, Michael Phelps played DJ, and celebrity DJ Tiesto recently launched his own set, to which the famous fountains are synchronized. You’ll likely see stars at one of the 40 VIP tables.