Kristen Stewart landed before most of the snow hit Park City last night, but this morning she and her The Runaways costar Dakota Fanning and director Floria Sigismondi posed for portraits together. Their big premiere isn't until tomorrow — we'll be on the red carpet, so leave any questions in comments! — but, this afternoon Kristen's other Sundance debut, Welcome to the Rileys screened. While Kristen was spending her first night at the festival, Robert Pattinson was doing his part on the Help For Haiti telethon — in case you missed it, watch all the performances and his appearance. Stay tuned for all our live updates and celebrity sightings at Sundance on Twitter!
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