1.Nicolas Cage was originally supposed to have the starring role of Brad in Fast Times At Ridgemont High, but his improvisations during auditions were deemed "too weird" and he was given a background role.
2.The "ugliest f-ing skirt" line in Mean Girls is based on something Tina Fey's mom says when she sees people in flashy clothing.
3.In a snarky move to get a producer's attention, the original title on the American Pie screenplay was Untitled Teenage Sex Comedy That Can Be Made For Under $10 Million That Most Readers Will Probably Hate But I Think You Will Love.
4.The period blood scene from Superbad was based on a real thing that happened to Seth Rogen's friend at a high school dance.
5.While Winona Ryder was overjoyed to be cast as Veronica in Heathers, her agent begged her not to take the controversial role.
6.While writer M. Night Shyamalan is usually linked to the horror/thriller genre, he was actually responsible for many of the re-writes to the She's All That screenplay.
7.Henry Cavill was author Stephanie Meyer's first choice to play Edward in Twilight, but by the time casting started he was too old for consideration.
8.During the FIRST DAY of filming The Kissing Booth, Joel Courtney split his chin open on the door of the Mustang and had to leave set to get stitches.
9.Cameron's father's badass car in Ferris Bueller's Day Off was actually a replica, costing $25,000 because the real deal would have cost the production $300,000.
10.The now-iconic lovemaking scene in Cruel Intentions was originally set to a Smashing Pumpkins song, but the band said "no."
11.Molly Ringwald wanted Viggo Mortensen to play Jake Ryan in Sixteen Candles because he ACTUALLY kissed her during his audition, but the role went to Michael Shoeffling, who DIDN'T kiss her until the film.
12.Alicia Silverstone landed the role of Cher in Clueless because director Amy Heckerling loved her performance in Aerosmith's music video for "Cryin."
13.James Franco auditioned to play Cliff, Torrance's love interest in Bring It On, a role which ultimately went to Jesse Bradford.
14.Rupert Grint was originally supposed to play Austin Ames in A Cinderella Story, but couldn't because of his Harry Potter commitments.
15.And speaking of Chad Michael Murray, he WAS NOT allowed to ride the motorcycle while filming Freaky Friday, and was only allowed to pose on it for scenes where it was stationary.
16.And finally, Lana Condor and Noah Centineo made a pact IRL to never date each other, literally the exact opposite of the pact their characters in To All the Boys I've Loved Before made.