Jake McCullough and Lazaro Hernandez have come a long way since presenting their senior thesis together at Parsons. Since their 2004 runway debut, Proenza Schouler has established itself as the downtown cool girl's brand, designers of the iconic bustier, Target collaborators, and geniuses behind the irresistible PS1 bag. Click through to see Proenza highlights in our runway retrospective, and get excited for their Spring 2012 collection, happening tonight!

Source: Runway Retrospective: Proenza Schouler