Emma (Natalie Portman) just wants to sleep with Adam (Ashton Kutcher) — she doesn't expect him to fall in love with her. Dale Robinette/Paramount Pictures hide caption

itoggle caption Dale Robinette/Paramount Pictures

A Superheroic Friendship: After his media-mogul father dies, Britt Reid (Seth Rogen) uses the family's fortune -- and chauffeur, Kato (Jay Chou), -- to become The Green Hornet, a masked crime fighter. Jaimie Trueblood/Columbia Pictures hide caption

itoggle caption Jaimie Trueblood/Columbia Pictures

Dean (Ryan Gosling) is content centering his life around his family; he must reconcile his desires with his wife's ambitious career plans in Derek Cianfrance's Blue Valentine. Davi Russo/The Weinstein Co. hide caption

itoggle caption Davi Russo/The Weinstein Co.

Jennifer Lawrence in Winter's Bone Sebastian Mlynarski hide caption

itoggle caption Sebastian Mlynarski

After hiring a U.S. Marshal to find her father's killer, Mattie (Hailee Steinfeld, left) joins forces with Texas Ranger LaBeouf (Matt Damon), who's tracking the same man. Wilson Webb/Paramount Pictures hide caption

itoggle caption Wilson Webb/Paramount Pictures

Natalie Portman stars as Nina, a New York ballerina seeking ultimate perfection under the direction of Thomas Leroy, played by Vincent Cassel. Niko Tavernise/Fox Searchlight hide caption

itoggle caption Niko Tavernise/Fox Searchlight

Anne Hathaway plays Maggie, a patient with early-onset Parkinson's disease, who falls for Jaime, a Viagra drug rep played by Jake Gyllenhaal, in Love and Other Drugs. David James/20th Century Fox and Regency Enterprises hide caption

itoggle caption David James/20th Century Fox and Regency Enterprises

Hermione Granger (Emma Watson, left), Ron Weasley (Rupert Grint) and Harry Potter (Daniel Radcliffe) face their hardest task yet - finding the Horcruxes that give Lord Voldemort his immortality, while staying hidden from the dark wizard. Warner Bros. Pictures hide caption

itoggle caption Warner Bros. Pictures

Dude, Where's My Arm? James Franco plays Aron Ralston, a hiker who must escape from a trapped position in an isolated canyon. Chuck Zlotnick/Fox Searchlight Pictures hide caption

itoggle caption Chuck Zlotnick/Fox Searchlight Pictures

Together at last: In the last installment of Stieg Larsson's Millennium Trilogy, journalist Mikael Blomkvist (Michael Nyqvist, left) and cyber-avenger Lisbeth Salander (Noomi Rapace) barely share any screen time. Music Box Films hide caption

itoggle caption Music Box Films

Cecile de France plays Marie Lelay, a woman who publishes a book after nearly dying. She makes an unexpected connection with Matt Damon's George Lonegan, a psychic trying to stop communicating with the dead. Ken Regan/Warner Bros. Pictures hide caption

itoggle caption Ken Regan/Warner Bros. Pictures

Luke Evans and Gemma Arterton star in Tamara Drewe Peter Mountain/Sony Pictures Classics hide caption

itoggle caption Peter Mountain/Sony Pictures Classics

Eduardo Saverin, played by Andrew Garfield,  and Mark Zuckerberg (Jesse Eisenberg) were college buddies when they started Facebook, but the friendship collapsed under the pressures of business. Merrick Morton/Columbia Pictures hide caption

itoggle caption Merrick Morton/Columbia Pictures

Michael Douglas is back in his Oscar-winning role as Gordon Gekko, whose iconic "greed is good" mantra and daring corporate raids made him a rock star of financial titans. Barry Wetcher/20th Century Fox hide caption

itoggle caption Barry Wetcher/20th Century Fox

Henry Joost and Ariel Schulman help Nev Schulman create a true-to-life film about an online relationship. Rogue Pictures hide caption

itoggle caption Rogue Pictures