"The Runaways" Premiere

Cast member Kristen Stewart arrives at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010. Stewart plays Joan Jett in the film about the making of '70s rock band of the same name.

Cast member Dakota Fanning arrives at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010. Fanning plays Cherie Currie in the film about the making of '70s rock band of the same name.

Musician Joan Jett arrives at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010.

Actor Taylor Lautner arrives at the premiere of the film "The Runaways" in Los Angeles, Thursday, March 11, 2010.

Stella Maeve, a cast member in "The Runaways," poses at the premiere of the film in Los Angeles, Thursday, March 11, 2010. Maeve plays Sandy West in the film about the '70s rock group of the same name.

Kristen Stewart, who plays Joan Jett in "The Runaways," poses at the premiere of the film in Los Angeles, Thursday, March 11, 2010.

Kristen Stewart, a cast member in "The Runaways," poses at the premiere of the film in Los Angeles, Thursday, March 11, 2010.

Dakota Fanning, a cast member in "The Runaways," poses at the premiere of the film in Los Angeles, Thursday, March 11, 2010.

Co-stars Dakota Fanning, left, and Kristen Stewart pose together at the premiere of the film "The Runaways" in Los Angeles, Thursday, March 11, 2010.

Riley Keough, a cast member in "The Runaways," poses at the premiere of the film in Los Angeles, Thursday, March 11, 2010. The actress, who is the granddaughter of Elvis Presley, plays Marie Currie in the film about the '70s rock band of the same name.

Michael Shannon, who plays rock producer and manager Kim Fowley in "The Runaways," poses at the premiere of the film in Los Angeles, Thursday, March 11, 2010.

Singer Joan Jett, who is played by Kristen Stewart in "The Runaways," arrives at the premiere of the film in Los Angeles, Thursday, March 11, 2010.

Tatum O'Neal, left, a cast member in "The Runaways," poses with her father, actor Ryan O'Neal, at the premiere of the film in Los Angeles, Thursday, March 11, 2010.

Scout-Taylor Compton, a cast member in "The Runaways," poses at the premiere of the film in Los Angeles, Thursday, March 11, 2010. Compton plays Lita Ford in the film about the '70s rock group, which was made up of Ford, Cherie Currie, Sandy West and Joan Jett.

Cast member Michael Shannon, right, and Kim Fowley pose together at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010. Shannon plays Fowley in the film.

Actor Taylor Lautner arrives at the premiere of the film "The Runaways" in Los Angeles, Thursday, March 11, 2010.

Cast member Kristen Stewart signs autographs for fans at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010.

Kristen Stewart poses for a photograph with a fan at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010.

Cast member Dakota Fanning signs autographs for fans at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010.

Cast member Kristen Stewart, left, and musician Joan Jett pose together at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010. Stewart plays Jett in the film.

Rock singer Cherie Currie, right, and Dakota Fanning, left, who plays her in "The Runaways," pose together at the premiere of the film in Los Angeles, Thursday, March 11, 2010.

From left, Joan Jett, Kristen Stewart, Dakota Fanning, and Cherie Currie pose together at the premiere of "The Runaways" in Los Angeles on Thursday, March 11, 2010. Stewart plays Jett and Fanning plays Currie in the film.

Dakota Fanning, left, and Kristen Stewart, cast members in "The Runaways," pose together at the premiere of the film in Los Angeles, Thursday, March 11, 2010.