Can you believe today officially marks 20 years since Sex and the City premiered on HBO back in 1998? We can't! To commemorate our favorite series' anniversary, we're bringing you side-by-side pics of the show's iconic cast — including Sarah Jessica Parker, Kristin Davis, Kim Cattrall, Cynthia Nixon, and more! — to show you just how much they've changed over the last two decades. Scroll down to see the SATC cast then and now!