It is one of the most highly-anticipated shows of all the fashion weeks. So naturally the superstars were out in force for Tuesday's Chanel fashion show during Paris Haute Couture Fashion Week to debut the Fall‑Winter 2017/18 collection, during which Karl Lagerfeld opted to build a giant replica of the Eiffel Tower under the glass roof of the Grand Palais. Leading the stars were Chanel muses Cara Delevingne and Kristen Stewart alongside pop star Katy Perry , with all the ladies rocking matching buzzcuts, as they made a stunning display with Cara, 24, going braless, Kristen, 27, opting for a dazzling sequinned unitard while Katy, 32, sported a patterned two-piece comprising of a soft jacket and tight shorts. Scroll down for video +85 +85 +85 Here come the girls: Leading the stars were Chanel muses Cara Delevingne and Kristen Stewart alongside pop star Katy Perr...