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Out for a nighttime catwalk session, the stars were out in full force for the Yves Saint Laurent Pret-a-Porter show in Paris on Monday (October 5).

Taking part in the Paris Womenswear Fashion Week Spring/Summer 2010 festivities, celebrities such as Prince and Katy Perry took to front row seats as they checked out the brand’s latest looks.

Also in attendance were  Kate Moss and her rocker beau Jamie Hince, as well as supermodel Claudia Schiffer and Salma Hayek’s mogul hubby, François-Henri Pinault.

Of the evening’s runway show, makeup artist, Tom Pecheux, told press of the look he created: “It’s very Saint Laurent, very pure and graphic.”