During the 1990s she appeared in the cult film Unzipped, a documentary about fashion designer Isaac Mizrahi, and the fashion mockumentary film Prêt-à-Porter by famed director Robert Altman. Additionally, she was featured in Catwalk, a documentary covering life on the fashion runways, by director Robert Leacock. The documentry was filmed in 1993 and premiered in 1996. The film followed Christy and her fellow models Naomi Campbell, Yasmin Le Bon, Kate Moss and Carla Bruni as they jetted around London, Milan, Paris and New York for the Spring Fashion Weeks. It included rare footage of what goes on behind the scenes at big shows including fittings, parties, shopping and catfights. The film was shot in black and white and color, and featured many top designers at work like a young John Galliano, Karl Lagerfeld and Gianni Versace only one year before his death.
More recently she has become a partner in three successful business co-ventures: An ayurvedic skincare line, Sundari, and two clothing lines produced by Puma: Nuala, an active women's clothing line, and Mahanuala, a women's yoga-wear line.
--Wikipedia
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