Paul Rudd reveals what it was really like watching Steve Carrell submit himself to The 40-Year-Old Virgin's infamous waxing scene.

Steve Carell brings new meaning to "Ah, Kelly Clarkson!" after almost losing a nipple filming his infamous 40-Year-Old Virgin wax scene

Oh Kelly Clarkson, who knew this line would haunt ye?

It is a weird thing to shout during a chest waxing.

Judd Apatow’s directorial debut, The 40-Year-Old Virgin, changed the way that comedies were made forever. Prior to that, comedy movies were rigidly scripted, with the actors following the dialogue as written and then moving on to the next scene. But Apatow saw the potential to capture comedic lightning in a bottle and allowed his actors to improvise on-camera. The method led to a record amount of film being used during the shoot, but the rewards are obvious. Now, every comedy filmmaker tries to emulate that improvisational tone. It led to some great quotes. So, here are the 10 Funniest Quotes From The 40-Year-Old Virgin.