PHOTOS: Kristen Stewart, Charlize Theron's dresses at premiere

Actors Kristen Stewart, Chris Hemsworth, Chalize Theron attend the World Premiere of 'Snow White And The Huntsman' at The Empire and Odeon Leicester Square on May 14, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Actors Kristen Stewart, Chris Hemsworth, Chalize Theron and Director Rupert Sanders attend the World Premiere of 'Snow White And The Huntsman' at The Empire and Odeon Leicester Square on May 14, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Charlize Theron and Kristin Stewart attend the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Actors Kristen Stewart, Chris Hemsworth, Chalize Theron attend the World Premiere of 'Snow White And The Huntsman' at The Empire and Odeon Leicester Square on May 14, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Actors Kristen Stewart, Chris Hemsworth, Chalize Theron and Director Rupert Sanders attend the World Premiere of 'Snow White And The Huntsman' at The Empire and Odeon Leicester Square on May 14, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Actress Kristen Stewart attends the World Premiere of 'Snow White And The Huntsman' at The Empire and Odeon Leicester Square on May 14, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Actress Chalize Theron attends the World Premiere of 'Snow White And The Huntsman' at The Empire and Odeon Leicester Square on May 14, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Actor Chris Hemsworth and actress Kristen Stewart attend the World Premiere of 'Snow White And The Huntsman' at The Empire and Odeon Leicester Square on May 14, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Actress Kristen Stewart attends the World Premiere of 'Snow White And The Huntsman' at The Empire and Odeon Leicester Square on May 14, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images)

Charlize Theron attends the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Charlize Theron attends the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Kristin Stewart attends the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Charlize Theron attends the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Kristin Stewart attends the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Liberty Ross, Charlize Theron, Kristin Stewart and Lily Cole attend the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Charlize Theron, Chris Hemsworth and Kristin Stewart attend the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Kristin Stewart, Chris Hemsworth and Charlize Theron attend the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

Kristin Stewart attends the World Premiere of 'Snow White and The Huntsman' at Empire Leicester Square on May 14, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)