The opening weekend of the Sundance Film Festival was jam-packed with celebrities, red carpets, and hot performances in Park City. Stars braved the blizzard conditions on Saturday night to check out the likes of Drake at the Bing Bar, LMFAO at Park City Live, and more. Christina Hendricks looked adorable snuggled up to her husband Geoffrey Arend and we witnessed an adorable moment between Kristen Read more

Michelle Williams clutched her best actress in a comedy or musical Golden Globe for My Week With Marilyn en route to the Weinstein Company's afterparty last night. She posed on the carpet withouth her best friend and date, Busy Philipps. The girls met up inside, though, and Busy later tweeted her happiness for Michelle. Busy wrote, "That was genuinely one of the most fun nights ever. So Read more

The guys of Maroon 5 got in on the Halloween party hosting action last night by gathering their friends at the Hollywood Forever Cemetary for a bash. Frontman Adam Levine and his girlfriend, Anne V, were in their '80s finest going as a "rock star wedding couple," and Lauren Conrad looked adorable decked out as Minnie Mouse. She tweeted about how her friend Kristen Ess actually created the mouse Read more

Nicole Richie turns 30 today! We're celebrating her big day with a look back at some of her most memorable photos with her best pals. She had the company of one-time BFF Paris Hilton when they filmed The Simple Life, and other buds like Rachel Bilson, Naomi Campbell, and Kate Bosworth have been by her side supporting her fashion endeavors. She's one of the best-liked ladies in Hollywood, so Read more

Petra Ecclestone and her new husband, James Stunt, hosted a brunch at the Hotel de Russie in Rome this morning. The newlyweds were married in a lavish ceremony at the city's Odescalchi Castle yesterday, and the 22-year-old bride wore Vera Wang for her big day. Princesses Beatrice and Eugenie were guests at Petra and James's wedding as were Nicky and Paris Hilton. They weren't the only stars Read more

Petra Ecclestone and her fiancé, James Stunt, were joined Friday by friends and family for dinner and drinks at Villa Aurelia in Rome. The bride-to-be stepped out wearing an elegant, white, floor-length gown for the rehearsal dinner, and Petra's rumored to be wearing a custom-made Vera Wang during Saturday's ceremony. The couple's lavish wedding is being held at Italy's historic Odescalchi Read more

Charlotte Ronson had some of her closest loved ones, including her twin Samantha Ronson, Rashida and Kidada Jones, Nicole Richie, and Paris Hilton at the launch of Charlotte Ronson Beauty at Il Sole in LA last night. Charlotte's new makeup and hair care line will be sold exclusively at Sephora, and she collaborated with friends such as Nicole and Samantha on everything from the packaging to the Read more

Olivia Wilde stepped out last night in LA for the Nylon August issue launch party on the Mondrian hotel's pool deck. Olivia is home in the City of Angels after joining her costars Daniel Craig and Harrison Ford at the Comic-Con premiere of Cowboys & Aliens in San Diego last week. The actress debuted new bangs as she played host for the bash, which also brought out Paris and Nicky Hilton. Read more

Nicole Richie and Paris Hilton shared a laugh at a party to celebrate the launch of Charlotte Ronson's latest I Heart Ronson line for JC Penny at the Roosevelt hotel in LA last night. The former The Simple Life costars are rarely photographed together in recent years, though this makes two nights in a row for Paris and Nicole as they both attended the Britney Spears concert on Monday as well. Read more