Parties » Photos: Proezna Schouler's Boutique

Photos: Proezna Schouler's Boutique

Photos: Proezna Schouler's Boutique

Last night, Jack McCollough and Lazaro Hernandez of Proenza Schouler fêted the opening of their first boutique  on Madison Avenue- the moment their devotées have been anticipating since the label launched roughly a decade ago.