X Files bombshell Gillian Anderson, 57, struts down the runway in a tiny nude dress for Paris Fashion Week Gillian Anderson at the 2005 Vanity Fair Oscar Party held at Morton's Restaurant in West Hollywood, CA. The event took place on Sunday, February 27, 2005. Photo by: SBM PictureLux The Best Unsung Golden Globes Stars of the '90s: Fran Drescher, Gillian Anderson, and More Vogue Gillian Anderson G String Dress at Vanity Fair Party So I don't know what year that was. And I don't know how that dress came into my life. And I'm not even sure I tried it on before the night I Gillian Anderson's iconic thong dress, worn at the Vanity Fair Oscars afterparty in 2001.