If you have eyeballs, you've probably have noticed that for the 27 years he's been in the public eye, Paul Rudd hasn't aged. PA If anything, he's a real-life Benjamin Button. On the left is Paul in 2011, and on the right in 2019. How is this possible? Francis Specker / EMPICS Entertainment, PA Seriously, people think about Paul's youthful looks on an almost daily basis. Twitter: @aidasrevenge Twitter: @ActorTrivia Twitter: @Reb3cky And over the weekend, Paul continued to prove his immortality during a Clueless reunion at the Chicago Comic & Entertainment Expo. Timothy Hiatt / FilmMagic It's been 24 years since Clueless was released, and somehow Paul hasn't aged a day. Of course, once the photos from the event were released, people tweeted the same comments once again. Twitter: @bad_tits Twitter: @AnneRisalona Twitter: @balletbookworm And it turns out that Paul was finally asked to reveal his ~anti-ageing secrets~ during the event — and his response was brilliant. Rich Fury / Getty Images "I'm 80 years old on the inside," Paul said, pointing to his chest: "In here, pure darkness. And a little moisturiser." Timothy Hiatt / FilmMagic So now we know! Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Universal You can read what else went down at the Clueless reunion here.