At the amfAR gala during the 2011 Cannes Film Festival , Stefani auctioned off the lacy black dress she wore at the event for charity , raising over $ 125,000 . A representative for designer Michael Angel – who helped Stefani with the design and worked as a stylist – said that Angel created the gown , not Stefani . In response , Angel released a statement confirming that the dress was designed by Stefani for L.A.M.B. to wear and be auctioned off at the amfAR gala . Stefani hosted a fundraiser with First Lady Michelle Obama in August 2012 at the singer 's Beverly Hills home
2011 Cannes Film Festival
2011 Cannes Film Festival
Gwen Stefani