Patty Chang ( 1972 - ) is an American painter. Patty Chang s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2400 USD for The Extension of Nothing, Removing the Floor in Pieces (#3) in 2007 to 5400 USD for Untitled from Sorority Stage Fright (Mauve Dress) in 2007 , based on the size and medium of the artwork.