It’s really that time again! The stars are getting ready for Park City, Utah’s annual Sundance Film Festival.
The festival officially kicks off today,
but the pre-Sundance parties started last night! Alongisde fiancé Michael Polish, Kate Bosworth and, with actor Aden Young, Mad Men star Elisabeth Moss attended Los Angeles soirees leading up to the 10-day festival. Bosworth stars in festival film Big Sur, a biopic about author Jack Kerouac’s time in the California region, and Moss stars in mini-series Top of the Lake, playing a detective assigned to a spectacular case centering on a lake. Sundance runs today through January 27, and you can see a full list of all the films playing on sundance.org. And be sure to check back on InStyle.com for all the latest updates from Park City!

Plus, see more star-filled parties!

party shots

MORE:
Sundance 2012 Celebs: Winter Beauty Must-Haves
Our Favorite Boots From Sundance 2012
Behind-the-Scenes Photos From Sundance 2012