Rihanna in Roberto Cavalli Spring Summer 2013 white lace dressRihanna and her girls attended Jay Brown’s birthday dinner in Napa Valley. Her friend Leandra posted this photo of Rih sporting a dark lip and a sheer lace dress by Roberto Cavalli. The dress is from the Spring/Summer 2013 collection and features side ties and shredded detail in the back. She looks gorgeous!

images via instagram, style