Celebrity Sundance Red Carpet Report By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Updated on January 23, 2009 @ 09:56AM Pin Share Tweet Email Trending Videos Photo: George Pimentel/WireImage Sundance Red Carpet Report 01 of 09 Uma Thurman Clayton Chase/WireImage After spending the first part of festival out of sight on a ski vacation with her family, Uma Thurman was ready to face the press at the premiere of Motherhood. After the late-night premiere, Thurman's co-star, Minnie Driver, performed for the crowd during the flick's after-party, held at the St. Ives Sensory Spa. 02 of 09 Kristen Stewart George Pimentel/WireImage Kristen Stewart attended her first post-Twilight premiere when she hit the red carpet for the debut of Adventureland at the Eccles Theatre. "I play "the girl" in the movie, as weird as that sounds," Stewart told reporters on the red carpet. 03 of 09 Emmy Rossum Clayton Chase/WireImage After exploring Park City's Main St.-with the paparazzi following her every move-Emmy Rossum walked the red carpet at the premiere of Dare, held at the Racquet Club Theatre. 04 of 09 Ashton Kutcher and Demi Moore George Pimentel/WireImage Proud wife Demi Moore joined Ashton Kutcher for the premiere of his new movie, Spread, at the Eccles Theatre in Park City. When they arrived, Moore motioned to photographers to let Kutcher get settled before they started snapping. 05 of 09 Zooey Deschanel George Pimentel/WireImage Zooey Deschanel didn't let the chilly temperatures dampen her style at the premiere of 500 Days of Summer. 06 of 09 Rodrigo Santoro, Jim Carrey and Ewan McGregor Leon/Retna I Love You Phillip Morris stars Rodrigo Santoro, Jim Carrey and Ewan McGregor re-teamed for the premiere of their movie at the Racquet Club Theatre. "Working with Jim is great. He is unbelievably creative and very down to Earth," said Santoro funnyman Carrey, who celebtated his birthday while in Park City. 07 of 09 Mariah Carey and Nick Cannon George Pimentel/WireImage Though she was her usual glamorous self on the red carpet for the Sundance premiere of Push, Mariah Carey insisted that she's no diva on a movie set. "The one thing I have to thank [director Lee Daniels] for is allowing me to remove so many layers of persona and to dig deep within myself as an actress," said Carey, who was accompanied by husband Nick Cannon. 08 of 09 Kyra Sedgwick and Kevin Bacon Bryan Bedder/Getty Images Kyra Sedgwick provided spousal support to husband Kevin Bacon at the premiere of Taking Chance, held at the Racquet Club Theatre. Bacon has already received kudos for his performance as a Marine tasked with escorting the body of a soldier killed in Iraq back home to his family. 09 of 09 Susan Sarandon and Pierce Brosnan George Pimentel/WireImage Susan Sarandon and Pierce Prosnan got cozy at the premiere of The Greatest. The pair play a husband and wife grieving the loss of their son in the gripping drama, which has been one of the festival's hottest tickets.