Photo by Jim Spellman, WireImageKristen Stewart at the New York Cinema Society screening of The Twilight Saga: New Moon - 11/19/2009

Photo by James Devaney, WireImageKristen Stewart at the New York Cinema Society screening of The Twilight Saga: New Moon - 11/19/2009

Photo by Stephen Lovekin, Getty ImagesNikki Reed and Kristen Stewart at the New York Cinema Society screening of The Twilight Saga: New Moon - 11/19/2009

Photo by Taylor Hill, Getty ImagesKristen Stewart at the Nashville screening of The Twilight Saga: New Moon - 11/17/2009

Photo by Eric Charbonneau, WireImageKristen Stewart at the Los Angeles premiere of The Twilight Saga: New Moon - 11/16/2009

Photo by John Shearer, WireImageKristen Stewart at the Los Angeles premiere of The Twilight Saga: New Moon - 11/16/2009

Photo by John Shearer, WireImageKristen Stewart at the Los Angeles premiere of The Twilight Saga: New Moon - 11/16/2009

Photo by Jordan Strauss, Getty ImagesTaylor Lautner and Kristen Stewart at the Los Angeles premiere of The Twilight Saga: New Moon - 11/16/2009

Photo by Lester Cohen, WireImageDakota Fanning, Kristen Stewart and Joan Jett at the Los Angeles premiere of The Twilight Saga: New Moon - 11/16/2009

Photo by Carlos Alvarez, Getty ImagesKristen Stewart attends the The Twilight Saga: New Moon Madrid fan event - 11/12/2009

Photo by Carlos Alvarez, Getty ImagesKristen Stewart attends the The Twilight Saga: New Moon Madrid fan event - 11/12/2009

Photo by Carlos Alvarez, Getty ImagesKristen Stewart at the Madrid photocall for The Twilight Saga: New Moon - 11/12/2009

Photo by Jon Furniss, WireImageKristen Stewart attends the The Twilight Saga: New Moon fan event in London - 11/11/2009

Photo by Jon Furniss, WireImageKristen Stewart attends the The Twilight Saga: New Moon fan event in London - 11/11/2009

Photo by Jon Furniss, WireImageTaylor Lautner, Kristen Stewart and Robert Pattinson attend the The Twilight Saga: New Moon fan event in London - 11/11/2009

Photo by Dave Hogan, Getty ImagesKristen Stewart attends the The Twilight Saga: New Moon fan event in London - 11/11/2009

Photo by Pascal Le Segretain, Getty ImagesKristen Stewart at the Paris photocall for The Twilight Saga: New Moon - 11/10/2009

Photo by Pascal Le Segretain, Getty ImagesRobert Pattinson, Kristen Stewart and Taylor Lautner at the Paris photocall for The Twilight Saga: New Moon - 11/10/2009

Photo by Dominique Charriau, WireImageDirector Chris Weitz, Kristen Stewart, Robert Pattinson and Taylor Lautner at the Paris photocall for The Twilight Saga: New Moon - 11/10/2009

Photo by Jordan Strauss, WireImageKristen Stewart attends the The Twilight Saga: New Moon cast tour in Hollywood, CA - 11/06/2009

Photo by Jon Kopaloff, Film MagicRobert Pattinson and Kristen Stewart attend the The Twilight Saga: New Moon cast tour in Hollywood, CA - 11/06/2009

Photo by Victor Chavez, WireImageKristen Stewart at the Mexico City press conference for The Twilight Saga: New Moon - 11/03/2009

Photo by Victor Chavez, WireImageKristen Stewart and Taylor Lautner at the Mexico City press conference for The Twilight Saga: New Moon - 11/03/2009

Photo by Victor Chavez, WireImageKristen Stewart at the Mexico City press conference for The Twilight Saga: New Moon - 11/03/2009

Photo by Frazer Harrison, Getty ImagesKristen Stewart at the 2009 Teen Choice Awards in Universal City, CA - 08/09/2009

Photo by Jon Kopaloff, Film MagicKristen Stewart at the 2009 Teen Choice Awards in Universal City, CA - 08/09/2009

Photo by Frazer Harrison, Getty ImagesKristen Stewart at the 2009 Teen Choice Awards in Universal City, CA - 08/09/2009

Photo by John Shearer, Getty ImagesKristen Stewart attends the 2009 Comic-Con press conference for The Twilight Saga: New Moon - 07/23/2009

Photo by Chelsea Lauren, WireImageTaylor Lautner and Kristen Stewart attend the 2009 Comic-Con press conference for The Twilight Saga: New Moon - 07/23/2009

Photo by Chelsea Lauren, WireImageTaylor Lautner, Kristen Stewart and Robert Pattinson attend the 2009 Comic-Con press conference for The Twilight Saga: New Moon - 07/23/2009

Photo by Jason Merritt, Getty ImagesKristen Stewart at the 18th Annual MTV Movie Awards - 05/31/2009

Photo by Jason Merritt, Getty ImagesKristen Stewart at the 18th Annual MTV Movie Awards - 05/31/2009

Photo by Kevin Winter, Getty ImagesKristen Stewart at the Hollywood premiere of Adventureland - 03/16/2009

Photo by Michael Tran, Film MagicKristen Stewart at the Hollywood premiere of Adventureland - 03/16/2009

Photo by Frederick M. Brown, Getty ImagesKristen Stewart at the Hollywood premiere of Adventureland - 03/16/2009

Photo by Kevin Winter, Getty ImagesNikki Reed, Kristen Stewart and Kat Dennings at the Hollywood premiere of Adventureland - 03/16/2009

Photo by Jun Sato, WireImageKristen Stewart and Robert Pattinson at the Tokyo press conference for Twilight - 02/27/2009

Photo by Jun Sato, WireImageTaylor Lautner, Kristen Stewart and Robert Pattinson at the Tokyo press conference for Twilight - 02/27/2009

Photo by George Pimentel, WireImageKristen Stewart at the Sundance Film Festival screening for Adventureland - 01/19/2009

Photo by Bryan Bedder, Getty ImagesKristen Stewart and Margarita Levieva at the Sundance Film Festival screening for Adventureland - 01/19/2009

Photo by George Pimentel, WireImageKristen Stewart at the Sundance Film Festival screening for Adventureland - 01/19/2009

Photo by Bryan Bedder, Getty ImagesKristen Wiig, Kristen Stewart and Margarita Levieva at the Sundance Film Festival screening for Adventureland - 01/19/2009

Photo by George Pimentel, WireImageKristen Stewart out and about in Park City during the 2009 Sundance Film Festival - 1/19/2009

Photo by Larry Busacca, Getty ImagesBill Hader, Kristen Stewart, Martin Starr and Kristen Wiig at the Sundance Film Festival portrait session for Adventureland - 01/19/2009

Photo by Fred Duvall, Film MagicKristen Stewart at the London premiere of Twilight - 12/03/2008

Photo by Dave M. Bennett, Getty ImagesKristen Stewart and Robert Pattinson at the London premiere of Twilight - 12/03/2008

Photo by Dave M. Bennett, Getty ImagesKristen Stewart at the London premiere of Twilight - 12/03/2008

Photo by Steve Granitz, WireImageKristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Jon Kopaloff, Film MagicRobert Pattinson and Kristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Jon Kopaloff, Film MagicKristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Kevin Winter, Getty ImagesRobert Pattinson and Kristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Lester Cohen, WireImageNikki Reed and Kristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Jon Kopaloff, Film MagicKristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Kevin Winter, Getty ImagesRobert Pattinson and Kristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Vince Bucci, Getty ImagesKristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Vince Bucci, Getty ImagesRobert Pattinson and Kristen Stewart at the Westwood premiere of Twilight - 11/17/2008

Photo by Alexandra Wyman, WireImageKristen Stewart at the after party for the Westwood premiere of Twilight - 11/17/2008

Photo by Lester Cohen, WireImageKristen Stewart and director Catherine Hardwicke at the after party for the Westwood premiere of Twilight - 11/17/2008

Photo by Elisabetta A. Villa, WireImageKristen Stewart at the 3rd Annual Rome Film Festival premiere of Twilight - 10/30/2008

Photo by Elisabetta A. Villa, WireImageKristen Stewart, Robert Pattinson and director Catherine Hardwicke at the 3rd Annual Rome Film Festival premiere of Twilight - 10/30/2008

Photo by Elisabetta A. Villa, WireImageKristen Stewart at the 3rd Annual Rome Film Festival premiere of Twilight - 10/30/2008

Photo by Vittorio Zunino Celotto, Getty ImagesKristen Stewart, Robert Pattinson and director Catherine Hardwicke at the 3rd Annual Rome Film Festival premiere of Twilight - 10/30/2008

Photo by Kevin Mazur, WireImageKristen Stewart at the MTV Movie Awards in Universal City - 06/01/2008

Photo by Jeffrey Mayer, WireImageKristen Stewart at the MTV Movie Awards in Universal City - 06/01/2008

Photo by Kevin Mazur, WireImageKristen Stewart and Robert Pattinson at the MTV Movie Awards in Universal City - 06/01/2008

Photo by Jemal Countess, WireImageKristen Stewart at the Sundance Film Festival premiere of What Just Happened - 01/19/2008

Photo by Matt Szwajkos, Getty ImagesMaria Bello and Kristen Stewart at the Sundance Film Festival dinner for The Yellow Handkerchief - 01/18/2008

Photo by George Pimentel, WireImageKristen Stewart at the Sundance Film Festival premiere of The Yellow Handkerchief - 01/18/2008

Photo by Soren McCarthy, WireImageKristen Stewart at the Sundance Film Festival premiere of The Yellow Handkerchief - 01/18/2008

Photo by Frank Micelotta, Getty ImagesKristen Stewart poses for a portrait at the Miners Club during the 2008 Sundance Film Festival - 01/19/2008

Photo by John Shearer, WireImageKristen Stewart at the Fred Segal gift suite at the Sundance Film Festival - 01/19/2008

Photo by Jeff Vespa, WireImageKristen Stewart at the Sundance Film Festival portrait session for The Yellow Handkerchief - 01/19/2008

Photo by Michael Bezjian, WireImageKristen Stewart at the 7th annual Hollywood Life Breakthrough of the Year Awards in Los Angeles - 12/09/2007

Photo by Jesse Grant, WireImageKristen Stewart at the 7th annual Hollywood Life Breakthrough of the Year Awards in Hollywood - 12/09/2007

Photo by Donald Bowers, Getty ImagesKristen Stewart at the Tribeca Film Festival premiere of The Cake Eaters in New York City - 04/29/2007

Photo by Eric Charbonneau, WireImageKristen Stewart at the Los Angeles premiere of Into the Wild - 09/18/2007

Photo by Eric Charbonneau, WireImageKristen Stewart at the Los Angeles premiere of Into the Wild - 09/18/2007

Photo by Eric Charbonneau, WireImageJena Malone, Brian Dierker and Kristen Stewart at the Los Angeles premiere of Into the Wild - 09/18/2007

Photo by Jeff Vespa, WireImageKristen Stewart at the 32nd Annual Toronto International Film Festival portrait session for Into the Wild

Photo by Jeff Vespa, WireImageKristen Stewart at the 32nd Annual Toronto International Film Festival portrait session for Into the Wild

Photo by Scott Gries, Getty ImagesKristen Stewart at the 32nd Annual Toronto International Film Festival portrait session for Into the Wild

Photo by Scott Gries, Getty ImagesKristen Stewart at the 32nd Annual Toronto International Film Festival portrait session for Into the Wild

Photo by Evan Agostini, WireImageKristen Stewart at the Toronto International Film Festival premiere of Into the Wild - 09/09/2007

Photo by George Pimentel, WireImageKristen Stewart and Emile Hirsch at the Toronto International Film Festival after party for Into the Wild - 09/09/2007

Photo by Vera Anderson, WireImageKristen Stewart at the Into the Wild press conference in Beverly Hills - 09/15/2007

Photo by Jeffrey Mayer, WireImageKristen Stewart at the 14th Annual Screen Actors Guild Awards in Hollywood - 01/27/2008

Kristen Stewart at the 6th Annual Tribeca Film Festival The Cake Eaters After Party - 04/29/2007

Photo by Todd Williamson, WireImageKristen Stewart at the 7th annual Hollywood Life Breakthrough of the Year Awards cocktail reception - 12/09/2007

Photo by Eric Charbonneau, WireImageKristen Stewart at the Los Angeles premiere of Zathura - 11/06/2005