US actresses Kirsten Stewart (L) and Kirsten Dunst pose during the photocall of "On the Road" presented in competition at the 65th Cannes film festival on May 23, 2012 in Cannes. AFP PHOTO / VALERY HACHEVALERY HACHE/AFP/GettyImages

Actor Robert Pattinson arrives for the screening of On the Road at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Lionel Cironneau)

Model Milla Jovovich arrives to a party at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Francois Mori)

Actress Goya Toledo arrives to a party at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Francois Mori)

Actress Natalia Oreiro arrives at a party at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Francois Mori)

Actress Nicole Kidman poses during a photo call for The Paperboy at the 65th international film festival, in Cannes, southern France, Thursday, May 24, 2012. (AP Photo/Lionel Cironneau)

Unidentified person arrives for the screening of On the Road at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Joel Ryan)

Actress Tea Falco arrives for the screening of Me and You at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Francois Mori)

Singer Cheryl Cole arrives for the screening of Love at the 65th international film festival, in Cannes, southern France, Sunday, May 20, 2012. (AP Photo/Joel Ryan)

General view of the venue at the 65th international film festival, in Cannes, southern France, Tuesday, May 15, 2012. (AP Photo/Jonathan Short)

Actress Sarah Gadon poses during a photo call for Antiviral at the 65th international film festival, in Cannes, southern France, Sunday, May 20, 2012. (AP Photo/Lionel Cironneau)

Singer Sean Combs arrives for the screening of Lawless at the 65th international film festival, in Cannes, southern France, Saturday, May 19, 2012. (AP Photo/Joel Ryan)

Actress Berenice Bejo arrives for the screening of Lawless at the 65th international film festival, in Cannes, southern France, Saturday, May 19, 2012. (AP Photo/Joel Ryan)

Actress Nahed El Sebai poses during a photo call for After the Battle at the 65th international film festival, in Cannes, southern France, Thursday, May 17, 2012. (AP Photo/Francois Mori)

Workers sets up a giant 65th Cannes Film Festival official poster showing Marilyn Monroe on the Cannes Festival Palace, Monday, May 14, 2012. The Cannes Film Festival will start on Wednesday, May 16.(AP Photo/Lionel Cironneau)

A tourist takes a photo of his wife as she pokes her head through a purpose-made poster before the 64th Cannes Film Festival in Cannes, southern France, Monday, May 9, 2011. The Cannes Film Festival will start on May 13. (AP Photo/Lionel Cironneau)

Actor Zac Efron departs following the screening of The Paperboy at the 65th international film festival, in Cannes, southern France, Thursday, May 24, 2012. (AP Photo/Lionel Cironneau)

From left, actors Zac Efron, Nicole Kidman and director Lee Daniels arrive for the screening of The Paperboy at the 65th international film festival, in Cannes, southern France, Thursday, May 24, 2012. (AP Photo/Lionel Cironneau)

From left, actors David Oyelowo, Zac Efron, Nicole Kidman, director Lee Daniels, and actors John Cusack and Macy Gray arrive for the screening of The Paperboy at the 65th international film festival, in Cannes, southern France, Thursday, May 24, 2012. (AP Photo/Francois Mori)

CANNES, FRANCE - MAY 24: Musician Keith Urban and actress Nicole Kidman depart the "The Paperboy" premiere during the 65th Annual Cannes Film Festival at Palais des Festivals on May 24, 2012 in Cannes, France. (Photo by Vittorio Zunino Celotto/Getty Images)

CANNES, FRANCE - MAY 23: Actor Garret Hedlund, director Walter Salles, actors Tom Sturridge, Kristen Stewart, Danny Morgan, Kirsten Dunst, producer Roman Coppola, actor Sam Riley and Viggo Mortensen depart the "On The Road" Premiere during the 65th Annual Cannes Film Festival at Palais des Festivals on May 23, 2012 in Cannes, France. (Photo by Vittorio Zunino Celotto/Getty Images)

From left, producer Roman Coppola, actors Kirsten Dunst, Viggo Mortensen, director Walter Salles, actors Kristen Stewart Garret Hedlund arrives for the screening of On the Road at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Lionel Cironneau)

From left, actors Kristen Stewart, Garret Hedlund, and Kirsten Dunst pose during a press conference for On the Road at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Francois Mori)

CANNES, FRANCE - MAY 23: (L-R) Actor Garrett Hedlund, director Walter Salles, actors Kristen Stewart, Sam Riley, Kirsten Dunst and Viggo Mortensen attend the "On The Road" Photocall during the - 65th Annual Cannes Film Festival at Palais des Festivals on May 23, 2012 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)

CANNES, FRANCE - MAY 23: Actresses Kristen Stewart and Kirsten Dunst (R) attend the "On The Road" Photocall during the - 65th Annual Cannes Film Festival at Palais des Festivals on May 23, 2012 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)

Actor Brad Pitt, centre signs an autograph during a press conference for Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Francois Mori)

US actor Brad Pitt arrives for the screening of "Killing them Softly" presented in competition at the 65th Cannes film festival on May 22, 2012 in Cannes. AFP PHOTO / ANNE-CHRISTINE POUJOULATANNE-CHRISTINE POUJOULAT/AFP/GettyImages

Actor Brad Pitt, right, greets fans at the screening of Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Loic Venance, Pool)

Actor Brad Pitt, left, and director Andrew Dominik arrive for the screening of Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Lionel Cironneau)

US actor Brad Pitt takes pictures with his smartphone as New Zealand's director Andrew Dominik plays with a small camera before the screening of "Killing them Softly" presented in competition at the 65th Cannes film festival on May 22, 2012 in Cannes. AFP PHOTO / ALBERTO PIZZOLIALBERTO PIZZOLI/AFP/GettyImages

Actor Matthew McConaughey, left, and model Camila Alves arrive at the party for the paperboy at the 65th international film festival, in Cannes, southern France, Thursday, May 24, 2012. (AP Photo/Francois Mori)

Model Heidi Klum arrives for the screening of The Paperboy at the 65th international film festival, in Cannes, southern France, Thursday, May 24, 2012. (AP Photo/Lionel Cironneau)

Actor Denis Lavant, right, and an unidentified performer arrive for the screening of Holy Motors at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Lionel Cironneau)

Actor Alec Baldwin, left, and Hilaria Thomas arrive for the screening of Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Joel Ryan)

Actor Chris Tucker, right, and an unidentified guest arrive for the screening of Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Lionel Cironneau)

Model Kelly Brook, right, and actress Michelle Rodriguez arrive for the screening of Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Joel Ryan)

Tennis player Novak Djokovic, right, and Jelena Ristic arrive for the screening of Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Francois Mori)

Singer Casandra Elizabeth Ventura also known as Cassie arrives for the screening of Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Joel Ryan)

Actors Diane Kruger, left, and Joshua Jackson arrive for the screening of Killing Them Softly at the 65th international film festival, in Cannes, southern France, Tuesday, May 22, 2012. (AP Photo/Lionel Cironneau)

Actress Najwa Karam arrives for the screening of You Ain't Seen Nothing Yet at the 65th international film festival, in Cannes, southern France, Monday, May 21, 2012. (AP Photo/Joel Ryan)

Actress Bernice Marlohe arrives for the screening of Love at the 65th international film festival, in Cannes, southern France, Sunday, May 20, 2012. (AP Photo/Francois Mori)

Actress Kirsten Dunst arrives for the amfAR Cinema Against AIDS benefit at the Hotel du Cap-Eden-Roc, during the 65th Cannes film festival, in Cap d'Antibes, southern France, Thursday, May 24, 2012. (AP Photo/Jonathan Short)

CAP D'ANTIBES, FRANCE - MAY 24: Actor Gerard Butler arrives at the 2012 amfAR's Cinema Against AIDS during the 65th Annual Cannes Film Festival at Hotel Du Cap on May 24, 2012 in Cap D'Antibes, France. (Photo by Andreas Rentz/Getty Images)

CAP D'ANTIBES, FRANCE - MAY 24: Janet Jackson arrives at the 2012 amfAR's Cinema Against AIDS during the 65th Annual Cannes Film Festival at Hotel Du Cap on May 24, 2012 in Cap D'Antibes, France. (Photo by Andreas Rentz/Getty Images)

CAP D'ANTIBES, FRANCE - MAY 24: Actress Nina Dobrev arrives at the 2012 amfAR's Cinema Against AIDS during the 65th Annual Cannes Film Festival at Hotel Du Cap on May 24, 2012 in Cap D'Antibes, France. (Photo by Andreas Rentz/Getty Images)

CAP D'ANTIBES, FRANCE - MAY 24: Paris Hilton arrives at the 2012 amfAR's Cinema Against AIDS during the 65th Annual Cannes Film Festival at Hotel Du Cap on May 24, 2012 in Cap D'Antibes, France. (Photo by Andreas Rentz/Getty Images)

CAP D'ANTIBES, FRANCE - MAY 23: Paris Hilton and Nicky Hilton attend de Grisogono Glam Extravaganza at Hotel Du Cap Eden-Roc on May 23, 2012 in Cap D'Antibes, France. (Photo by Michael Buckner/Getty Images for DeGrisogono)

Singer Kanye West, left, and television personality Kim Kardashian arrive for the screening of Cruel Summer at the 65th international film festival, in Cannes, southern France, Wednesday, May 23, 2012. (AP Photo/Francois Mori)

Kim Kardashian arrives for the amfAR Cinema Against AIDS benefit at the Hotel du Cap-Eden-Roc, during the 65th Cannes film festival, in Cap d'Antibes, southern France, Thursday, May 24, 2012. (AP Photo/Jonathan Short)