From '90s to now: Gillian Anderson's most slay outfits of all time Gillian Anderson stepped out in a dazzling embellished mini dress at Paris Fashion Week and the look was seriously eye catching. Amazon.com: Posterazzi Gillian Anderson In Open Front Dress And Crown Black And White Photo Print (8 x 10) Item # MVM01712: Posters & Prints Gillian Anderson in Eduardo Lucero at the 2001 Vanity Fair Oscar Party. Anderson didn't get to try on the dress before the party, but it was too sheer to wear without undergarments. Gillian Anderson is a thong flashing 90s fashion queen Dazed That's all, folks! The curtains fall on Paris Fashion Week with a surprise appearance from Gillian Anderson, who just closed the show at Miu Miu.