1. The author of the book, Jenny Han, made a cameo during the dance scene in Lara Jean's flashback.
2. During the pre-read part of the audition, Lana Condor (who plays Lara Jean) recalled Noah Centineo (Peter K.) sitting down next to her and asking if she wanted to run lines!
3. Noah was almost cast at Josh (Margot's boyfriend who lives next door) and not Peter.
4. Lana also stated that her and Noah had fantastic chemistry right from the get-go.
5. Jenny Han recalls some people in the industry suggesting she white-wash her main character, but she firmly insisted on having an Asian cast.
6. Noah said he and Lana ate cheeseburgers before the big kiss. YUM.
7. It was 95 degrees in the middle of summer when they shot the hot tub scene.
8. Lana stole Lara Jean's big platform shoes from set!
9. The scene where Chris and Lara Jean walk into the ski lodge (where they discuss the concert Chris went to) was all ad-libbed!
10. Jordan Burtchett (aka John Ambrose) originally went after the role of Peter, but the studio told him he was definitely a John.
11. Emilija Baranac (who played Gen) didn't hear she'd booked the role until they were halfway through filming the movie!
12. And if you thought Gen looked familiar, that's because she also played Midge on Riverdale!
13. Noah's favorite scene to film was the one where he and Lara Jean bonded in Peter's kitchen.
14. Janel's favorite scene to film was the bedroom scene with her, Lara, and Kitty after Lara figures out [spoiler redacted] sent the letters.
15. Lana said it wasn't super hard to pretend to faint during the track scene because she was pretty exhausted from filming. This was her first leading role in a movie!
16. Lana's favorite scene to film was the hot tub scene with Peter.
17. Noah and Lana would also bond by doing hot yoga together.
