WHAT SHE WORE: Lily Collins in black quilted platform pumps in Chicago on July 30

WHO: Lily Collins attended a Q&A and autograph signing session for The Mortal Instruments: City of Bones on July 30th 2013 in Chicago
WHAT SHE WORE: matching grey skirt and jacket, black crop top and black quilted platform pumps by Brian Atwood
BUY: Brian Atwood Maniac quilted patent-leather platform pumps

photo source: justjared.com