WHO: Alexandra Richards
WHAT: The daughter of Patti Hansen and Rolling Stones guitarist Keith Richards rocked this skin-tight Hervé Léger by Max Azria frock from the pre-fall 2011 collection. She donned minimal accessories such as simple, black ballet flats and bangle bracelets for an easy look.
WHERE: The DJ was busy spinning tracks at Guild Hall's Summer Gala on Aug. 12 in East Hampton, NY.

Don't forget to click through the gallery below for more looks: