New York fashion week: Day four in pictures

The Tommy Hilfiger spring 2011 collection, displayed on a catwalk of faux pavement trimmed with faux grass Photograph: Seth Wenig/AP The Tommy Hilfiger show, as witnessed by Jennifer Lopez and Christina Hendricks Photograph: Eric Thayer/Reuters Schoolboy chic at Tommy Hilfiger Photograph: Frazer Harrison/Getty Images for IMG Geometric patterns in the Tommy Hilfiger Spring 2011 collection Photograph: Emmanuel Dunand/AFP/Getty Images The DKNY show was awash with Delft blue Photograph: Emmanuel Dunand/AFP/Getty Images The DKNY show featured a tiny Swarovski crystal winking at the eyelash line of every model. But you'll have to look very closely indeed to see it Photograph: Emmanuel Dunand/AFP/Getty Images Diane von Furstenberg's first collection under new designer Yvan Mispelaere Photograph: JP Yim/WireImage Colour, colour, colour from Diane von Furstenberg Photograph: JP Yim/WireImage Keith Haring-esque prints stood out at Diane von Furstenberg's show Photograph: Eric Thayer/Reuters Feathers fly at the VPL by Victoria Bartlett Spring 2011 fashion show Photograph: Fernanda Calfat/Getty Images Nautical inspiration at the Vassilios Kostetsos Spring 2011 fashion show Photograph: Frazer Harrison/Getty Images for IMG Photograph: Frazer Harrison/Action images Black and red featured strongly at the Y-3 2011 show Photograph: Lucas Jackson/Reuters Y-3 2011 gets all menacing and Clockwork Orange-esque Photograph: Lucas Jackson/Reuters Acid brights at the Custo Barcelona Spring 2011 show Photograph: Frazer Harrison/Getty Images for IMG More brights from Elise Overland Photograph: Slaven Vlasic/Getty Images White was big in the Thakoon collection Photograph: JP Yim/WireImage Rouched silks in the Thakoon spring 2011 collection Photograph: Jason DeCrow/AP Animal prints updated in the Boudoir D'huitres Spring/Summer 2011 fashion show Photograph: Donald Bowers/Getty Images for Boudoir D'huitres The Carmen Marc Valvo spring 2011 collection at the NASDAQ Marketsite in New York's Times Square Photograph: Stuart Ramson/AP