Gillian Anderson would have been perfect as Poison Ivy back in the 90s : r Fancast Gillian Anderson being generally iconic and fabulous Photos 1 6 by David LaChapelle and I believe the rest are Jeff Dunas. #gilliananderson #90s #thexfiles #xfiles #danascully Gillian Anderson is a thong flashing 90s fashion queen Dazed Happy birthday to stunning Gillian Anderson who turns 57 today! She of course played a massive part in making The X Files one of the most iconic sci fi shows of all time, and Gillian Anderson's 90s style was as good as it gets