-- Ryan Cabrera, Evan Ross and Cora Skinner sipping VnC Cocktails at the Dipdive Night party at OASIS Beach Club In Indio, Calif. (sponsored by G by Guess and Gilt City).
-- Simon Rex drinking NOHO-The Hangover Defense at Coachella in Indio, Calif.
-- Reggie Bush staring at a Kim Kardashian look-alike at Jill Scott's Light of the Sun album release party at Playhouse Hollywood.
-- Rosario Dawson hanging out at the Belve Music Lounge at Coachella in Indio, Calif.
-- Leighton Meester and some friends checking out a festive Mexican BBQ at the Tides Zihuatanejo in Mexico.
PHOTOS: Leighton's 10 worst looks ever
-- Nate Berkus mingling with the design elite at the New York Design Center celebrating the launch of the new TRADHomemag.com magazine.
-- Gwyneth Paltrow hosting a dinner for guests including Jay-Z and Josh & Brent of The Beekman Boys to celebrate her book My Fathers Daughter at Palazzo Chupi in NYC.
-- Pierce Brosnan taking his mother out for margaritas at The Malibu Inn in Malibu, Calif.
-- Tom Cruise and Katie Holmes running backstage to meet Green Day singer Billie Joe Armstrong at American Idiot on Broadway in NYC.
-- Emma Roberts and Chord Overstreet hanging poolside at the Colony Palms hotel in Palm Springs, Calif.
VIDEO: Chord starts a Justin Bieber tribute band
-- Michael Douglas and his daughter Carys watching the New York Rangers beat the Washington Capitals in NYC.
-- Rosario Dawson hanging out at the Diesel Island brunch in Palm Springs.
-- Victoria's Secret model Alessandra Ambrosio hydrating with O.N.E. Coconut Water at the Coach store in L.A.
-- Helen Mirren dining alongside the Foo Fighters and Daryl Hannah for the Saturday Night Live afterparty at NYC's SD26.
-- Mumford & Sons sipping Leblon Cachaca cocktails after performing at Coachella in Indio, Calif.
PHOTOS: Celebs rock out at Coachella
-- Hilary Duff celebrating the launch of Kimberly Snyder's book, The Beauty Detox Solution, in West Hollywood.
-- Audrina Patridge hanging out in a PilyQ Swim bikini on the Santa Monica beach.
-- Drake drinking Ciroc Red Berry with friends at the Living Room in the W New Orleans.
-- Rihanna enjoying rides and dancing until 4 a.m. at the Neon Carnival (co-sponsored by 5 Gum) at Coachella in Indio, Calif.
-- Brooke Shields and her daughters snacking on Bob's cheese sliders, chicken fingers and buffalo wings while using the alley's glow-in-the-dark lanes at Bowlmor Lanes in NYC.
-- Bethenny Frankel and Jason Hoppy getting cozy at the Penthouse Party for Ruben Brown's Anguilla Classic, presented by Viceroy Hotel at Temenos Golf Club.
PHOTOS: Stars' crazy vacation style
-- Mark Consuelos talking fatherhood with Joey Lawrence at the Pampers 50th birthday celebration and launch of Little Miracles Mission campaign at Mt. Sinai Hospital in NYC.
-- Tinsley Mortimer having dinner with beau Brian Mazza at Empellon in NYC.
-- Julianne Hough getting glammed up with the Keratin Complex wet line from Nine Zero One at the CMT Awards in Las Vegas.
-- Selita Ebanks, Tika Sumpter and Estelle having a girls night out at SoHo House in NYC during the Hennessey Privilege #intime event.
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