Kristen Stewart

Kristen Stewart poses for the media at the World Premiere of the film "Snow White and the Huntsman" at a cinema in central London on May 14, 2012.

Actress Kristen Stewart attends The Cinema Society and D&G screening of "The Twilight Saga: New Moon" at Landmark's Sunshine Cinema on Nov. 19, 2009, in Manhattan.

Actress Kristen Stewart appears on NBC's "Today" show in Manhattan. (Nov. 18, 2009)

Kristen Stewart arrives at the premier of "The Twilight Saga: New Moon" in Westwood, Calif. (November 16, 2009)

Actress Kristen Stewart attends "Twilight Saga: New Moon" Fans Event at Palacio de Vistalegre in Madrid, Spain. (Nov. 12, 2009)

Kristen Stewart attends a Twilight: New Moon fan event held at Battersea Evolution in London, England. (Nov. 11, 2009)

Actress Kristen Stewart waits backstage during the annual JDRF Walk To Cure Diabetes at Dodger Stadium in Los Angeles. (Nov. 8, 2009)

Actress Kristen Stewart, who plays Bella Swan in the popular "Twilight" movie series, attends the 2009 JDRF Walk To Cure Diabetes at Dodger Stadium in Los Angeles. (Nov. 8, 2009)

Actress Kristen Stewart , who plays Bella Swan in the popular "Twilight" movie saga, attends a premiere of "New Moon," the second installment in the series, in Mexico City. "New Moon" is due out in U.S. theaters on Nov. 20, 2009. (Nov. 3, 2009)

Actress Kristen Stewart, who plays Bella Swan in the popular "Twilight" movie saga, and co-star Taylor Lautner, who plays friend Jacob Black, attend a premiere of "New Moon," the second installment in the series, in Mexico City. "New Moon" is due out in U.S. theaters on Nov. 20, 2009. (Nov. 3, 2009)

Kristen Stewart stars in the "Twilight" movie series as Bella Swan, a teen mortal who falls in love with a vampire classmate. The second installment of the thriller, "New Moon," is due out in theaters Nov. 20, 2009.