Celeb Sightings: Oprah Winfrey and Marion Cotillard Celebrate the Oscars!

Marion Cotillard and Oprah Winfrey
Marion Cotillard saying hi to Oprah Winfrey at the Weinstein Company's Academy Awards Nominees Dinner hosted by Meiomi Wines. Jeff Vespa/Getty Images

Oprah Winfrey and Marion Cotillard caught up at The Weinstein Company’s Academy Awards Nominees Dinner hosted by Meiomi wines in L.A.

Steven Yeun and Josh McDermitt had dinner with other castmates from The Walking Dead at Paris Club Bistro & Bar before heading up to Studio Paris to listen to DJ Chris Kennedy in Chicago.

Donald Trump and daughter Ivanka Trump, who helped redesign the property, opened their new Jack Nicklaus Villa, named after the golf legend, at the Trump National Doral Miami. 

Cake Boss Buddy Valastro chatted with Chef Todd English during a special South Beach Wine & Food Festival party hosted by The Cosmopolitan Of Las Vegas and The One Group at their not-yet-opened STK Miami in the 1 Hotel & Homes in Miami.

Derek Hough was whisked into a private room for an intimate performance by a female player at Queen of the Night // Diamond Horseshoe at the Paramount Hotel in NYC.

Guy Fieri rolled sushi for a large group at SushiSamba after officiating a mass gay wedding in honor of his late sister, who was a lesbian, at the James Royal Palm Hotel in Miami.

P Diddy hopped on his Peloton bike in his L.A. home, his favorite way to work out.

Zosia Mamet debuted her new blonde bob at the Matrix launch for Biolage Cleansing Conditioner and Style Link in NYC. 

Jane Lynch took photos with Instagram dog celebrity Toast Meets World at the #noseblind Febreze and ASCPCA event in NYC.

–Top L.A. Florist Mark Held of Mark's Garden led a team of about 30 to design the floral arrangements for this year's Oscars’ Governors Ball at the Dolby Ballroom in Hollywood.

Common performed his song from Selma at Global Green USA’s 12th Annual Pre-Oscar Party at the Avalon in Hollywood.

Richard Linklater chatted with actress Tanna Frederick, who is currently appearing in Train To Zakopane at the Edgemar Theater, at the Costume Design Guild Awards at the Beverly Hilton in Beverly Hills.

Nicky Hilton stayed hydrated by sipping Tea of a Kind at Hollywood Domino’s Pre-Oscar Gala in L.A.

–Cleveland Cavaliers stars LeBron James and JR Smith partied at 1Oak N.Y. with friends and teammates after their win against the New York Knicks.

Justin Bieber stayed at the Hard Rock Hotel in San Diego, CA.

–R&B singer Shanice picked up Boss Babe Body in a luxe swag bag at the Warner Brothers Oscars party in L.A.

Annie Lenox worked out at Crunch Sunset in L.A.

Oliva Culpo wore Style Stalker's Blush Dress while catching up with Joe Jonas at the Galore Mag and Fancy Young Hollywood party in L.A.

Halle Berry admired photography by Steve Shaw and artwork by Gregory Siff at the Treats! Magazine Issue 8 Launch Party weekend presented by Omnia at a private residence in Holmby Hills, CA.

Miles Teller and girlfriend Keleigh Sperry having a romantic private dinner on the beach at The Gansevoort in Turks + Caicos.

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