(13 of 19) Celebrities at Fashion WeekNew York Fashion Week always brings out the stars, and this season is no different. Some of Hollywood’s heaviest hitters have come to support their favorite designers. From Pink to Sienna Miller to Britney Spears, the celebrities are sitting front and center. Michelle Williams Picture perfect in a white dress at the Sari Gueron show on Feb. 4, Williams smiles politely for the paparazzi.