Gwen Stefani was in Cannes last week for the 64th Annual Film Festival and in between all the movie premieres she shot a new commercial for L’Oreal Paris and attended the amFAR Cinema Against Aids Charity Event.

Check out this behind the scenes video of Gwen as she prepares for the amfAR Gala with American fashion designer and stylist Michael Angel. Gwen wore the sexy black lace gown for her L’Oreal photo shoot with photographer Kenneth Willardt. Later that evening Gwen wore the gorgeous dress to the AmfAR Gala and it was auctioned off for 90,000 Euros. See what happened as she gets ready for the event and attends the glamorous evening.






