See How Hollywood Has Heated Up Park City For the Sundance Film Festival

Dianna Agron posed in front of a crowd.

Alec Baldwin and his pregnant wife, Hilaria, caught a screening.

Malin Akerman and Blythe Danner posed together at a premiere.

Kellan Lutz met up with Winona Ryder and Peter Sarsgaard for the premiere of Experimenter.

Molly Shannon and Connie Britton were all smiles on the carpet.

Brad Pitt made his way to the True Story premiere in Park City.

Ryan Reynolds made his way to Park City, UT, for the Mississippi Grind premiere.

Unexpected costars Anders Holm and Cobie Smulders hung out at The Variety Studio's Dark Horse Wine workshop.

Emile Hirsch posed for pictures at the Ten Thousand Saints premiere.

James Marsden and Jack Black goofed around on the red carpet at the premiere of The D Train.

Ethan Hawke stepped out for the Ten Thousand Saints premiere.

Lisa Kudrow hit the red carpet with Kevin Smith at the Misery Loves Comedy premiere.

Mamie Gummer hit the red carpet at the premiere of The End of the Tour.

Brad Pitt and James Franco hit the stage together at the True Story premiere at the Sundance Film Festival.

Mark Duplass and Jay Duplass joked around at the premiere of The Overnight.

Adam Scott and Jason Schwartzman linked up on the red carpet at the premiere of The Overnight.

Jason Segel popped up at Sundance for the premiere of The End of the Tour.

Hailee Steinfeld made a stylish appearance at Sundance.

Lena Dunham struck a pose at the Sundance Film Festival.

James Franco bundled up for the True Story premiere at Sundance.

Kristen Wiig posed for a picture at Sundance.

Nicole Kidman was all smiles at the Strangerland premiere during the Sundance Film Festival.

Courtney Love and Frances Bean Cobain posed for pictures together at the Kurt Cobain: Montage of Heck premiere.

Bree Turner presented an award at The Creative Coalition's Spotlight Initiative Gala during the Sundance Film Festival.

Rashida Jones attended the Hot Girls Wanted premiere at Sundance.