2012 amfAR's Cinema Against AIDS - Arrivals

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessi J 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)

2012 amfAR's Cinema Against AIDS - Arrivals

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J 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)

2012 amfAR's Cinema Against AIDS - Arrivals

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J (fashion detail) 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)

2012 amfAR's Cinema Against AIDS - Arrivals

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J 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)

2012 amfAR's Cinema Against AIDS - Arrivals

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J 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)

2012 amfAR's Cinema Against AIDS - Arrivals

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J 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)

2012 amfAR's Cinema Against AIDS - Arrivals

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J 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)

2012 amfAR's Cinema Against AIDS - Show

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J performs onstage during 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)

2012 amfAR's Cinema Against AIDS - Show

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J performs onstage during 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)

2012 amfAR's Cinema Against AIDS - Show

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J performs onstage during 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)

2012 amfAR's Cinema Against AIDS - Show

CAP D'ANTIBES, FRANCE - MAY 24: Singer Jessie J performs onstage during 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)

Singer Jessie J arrives to attend the 20

Singer Jessie J arrives to attend the 2012 amfAR's Cinema Against Aids on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J arrives to attend the 20

Singer Jessie J arrives to attend the 2012 amfAR's Cinema Against Aids on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J arrives to attend the 20

Singer Jessie J arrives to attend the 2012 amfAR's Cinema Against Aids on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J arrives to attend the 20

Singer Jessie J arrives to attend the 2012 amfAR's Cinema Against Aids on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J arrives to attend the 20

Singer Jessie J arrives to attend the 2012 amfAR's Cinema Against Aids on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

2012 amfAR's Cinema Against AIDS - Show

CAP D'ANTIBES, FRANCE - MAY 24: (EXCLUSIVE COVERAGE) Singer Jessie J performs during 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)

Singer Jessie J arrives to attend the 20

Singer Jessie J arrives to attend the 2012 amfAR's Cinema Against Aids on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J arrives to attend the 20

Singer Jessie J arrives to attend the 2012 amfAR's Cinema Against Aids on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

2012 amfAR's Cinema Against AIDS - Show

CAP D'ANTIBES, FRANCE - MAY 24: Jessie J performs during 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)

Singer Jessie J leads an auction at the

Singer Jessie J leads an auction at the 2012 amfAR's Cinema Against Aids benefit gala on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J leads an auction at the

Singer Jessie J leads an auction at the 2012 amfAR's Cinema Against Aids benefit gala on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J leads an auction at the

Singer Jessie J leads an auction at the 2012 amfAR's Cinema Against Aids benefit gala on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J leads an auction at the

Singer Jessie J leads an auction at the 2012 amfAR's Cinema Against Aids benefit gala on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J leads an auction at the

Singer Jessie J leads an auction at the 2012 amfAR's Cinema Against Aids benefit gala on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)

Singer Jessie J leads an auction at the

Singer Jessie J leads an auction at the 2012 amfAR's Cinema Against Aids benefit gala on May 24, 2012 in Antibes, southeastern France. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/GettyImages)