Jessica Chastain walking Kari Feinstein’s Oscar lounge in Christian Louboutin sling backs, excitedly grabbing electronic cigarettes from ePuffer— although apparently she doesn’t smoke, but she is trying to help her grandmother quit. The “Zero Dark Thirty” star also took some dry shampoo from Dove, and a Nalukai Jewelry Collection lei made of Gardenias.

Colin Farrell sipping diet soda by the fireplace as he joined his castmates and friends at the Lexington Social House hosted after-party for his new film, "Dead Man Down."

Jeremy Renner stopping by the Mattel Games Gift Lounge backstage at The 2013 Film Independent Spirit Awards to help raise money for charity on Saturday. The father-to-be scooped up one-year membership to Crunch and a private island getaway from Caribbean Living Magazine.

Bono, Sharon Stone, Jim Carrey (wearing giant plastic feet and tiny angel wings), Britney Spears, Tim Allen, Octavia Spencer, Steve Tyler, Melanie B, Randy Jackson, Dave Grohl, Heidi Klum, Naomi Campbell, Quincy Jones and Petra Nemcova celebrating Oscars night at the 21st annual Elton John Academy Awards Screening Party with some Grey Goose cocktails.

Victoria's Secret Angels Miranda Kerr and Behati Prinsloo launching the Fabulous collection in New York City's Herald Square VS store.

Nicki Minaj stopping by the MAC Pro Store on Robertson Blvd to greet some fans and pick up some personalized VIVA GLAM lipstick duos.

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Olivia Munn sipping an Evolve protein shake while sauntering through Target in West Hollywood.

Sean "Diddy" Combs and Mark Wahlberg launching their latest joint venture, AQUAhydrate, a Southern California-based fitness and wellness brand.

Renee Zellweger arriving at the Moroccanoil Oscar Beauty Lounge at the Robert Vetica Salon at SLS Hotel trying to stay under the radar in her gym clothes.