Reese Witherspoon, Mud, Scarlett Johansson, Don Jon's Addiciton, Sienna Miller, Yellow, Steve Carell, Incredible Burt Wonderstone, Paul

RabbitBandini Productions, Roadside Attractions, Warner Bros., Scott Gardner, Medient

From Reese Witherspoon to James Franco, the 20th anniversary of South by Southwest will be chock full of your favorite celebs.

The film, music and interactive conference kicks off in Austin on March 8 with the world premiere of Steve Carell's new comedy, The Incredible Burt Wonderstone.

We'll be heading to Austin to get you all the scoop, but until then we're breaking down SXSW's buzziest movies with the biggest stars.

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