US musician Gwen Stefani poses on the re

US musician Gwen Stefani poses on the red carpet before the screening of "This Must Be The Place" presented in competition at the 64th Cannes Film Festival on May 20, 2011 in Cannes. AFP PHOTO POOL / ERIC GAILLARD (Photo credit should read ERIC GAILLARD/AFP/Getty Images)

"This Must Be The Place" Premiere - 64th Annual Cannes Film Festival

CANNES, FRANCE - MAY 20: Gwen Stefani attends the "This Must Be The Place" premiere during the 64th Annual Cannes Film Festival at Palais des Festivals on May 20, 2011 in Cannes, France. (Photo by Ian Gavan/Getty Images)

US singer Gwen Stefani poses as she arri

US singer Gwen Stefani poses as she arrives for the screening of "This Must Be The Place" presented in competition at the 64th Cannes Film Festival on May 20, 2011 in Cannes. AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

"This Must Be The Place" Premiere - 64th Annual Cannes Film Festival

CANNES, FRANCE - MAY 20: Gwen Stefani attends the "This Must Be The Place" premiere during the 64th Annual Cannes Film Festival at Palais des Festivals on May 20, 2011 in Cannes, France. (Photo by Ian Gavan/Getty Images)

"This Must Be The Place" Premiere - 64th Annual Cannes Film Festival

CANNES, FRANCE - MAY 20: Gwen Stefani attends the "This Must Be The Place" premiere during the 64th Annual Cannes Film Festival at Palais des Festivals on May 20, 2011 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)

US singer Gwen Stefani poses as she arri

US singer Gwen Stefani poses as she arrives for the screening of "This Must Be The Place" presented in competition at the 64th Cannes Film Festival on May 20, 2011 in Cannes. AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

US singer Gwen Stefani poses on the red

US singer Gwen Stefani poses on the red carpet before the screening of "This Must Be The Place" presented in competition at the 64th Cannes Film Festival on May 20, 2011 in Cannes. AFP PHOTO / ANNE-CHRISTINE POUJOULAT (Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)

US singer Gwen Stefani poses on the red

US singer Gwen Stefani poses on the red carpet before the screening of "This Must Be The Place" presented in competition at the 64th Cannes Film Festival on May 20, 2011 in Cannes. AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)

US musician Gwen Stefani poses on the re

US musician Gwen Stefani poses on the red carpet before the screening of "This Must Be The Place" presented in competition at the 64th Cannes Film Festival on May 20, 2011 in Cannes. AFP PHOTO / ANNE-CHRISTINE POUJOULAT (Photo credit should read ANNE-CHRISTINE POUJOULAT/AFP/Getty Images)

US singer Gwen Stefani signs autographs

US singer Gwen Stefani signs autographs as she arrives for the screening of "This Must Be The Place" presented in competition at the 64th Cannes Film Festival on May 20, 2011 in Cannes. AFP PHOTO POOL / ERIC GAILLARD (Photo credit should read ERIC GAILLARD/AFP/Getty Images)