Paris Fashion Week Fall 2012
Credit: Startraksphoto; Sipa

Paris Fashion Week is in full swing, and stars have been hitting up the shows looking très chic! Salma Hayek caught up with Alicia Keys at Stella McCartney, and Jessica Alba took a front row seat at Lanvin with her sister-in-law and the label's CEO Thierry Andretta. Click through the gallery to see more celebrities at Paris, London, and Milan Fashion Week!