1. Did you know that Kristen Wiig co-wrote Bridesmaids with fellow comedy actress Annie Mumolo?
2. And Bridesmaids was Kristen's first ever leading role!
3. Maya Rudolph was pregnant during filming with her third child, Jack.
4. Paul Rudd was supposed to appear as a love interest for Annie, but his scene ended up on the cutting room floor.
5. In order to distinguish Bridesmaids from The Hangover, all Vegas scenes were removed from the film.
6. The film's iconic diarrhoea scene was largely Judd Apatow's idea, and not Kristen or Annie's suggestion.
7. Melissa McCarthy and Ben Falcone (who plays Air Marshall Jon) are actually married IRL.
8. Rebel Wilson originally auditioned to play Megan (Melissa McCarthy's character).
9. Other famous actresses who auditioned for Bridesmaids but didn't land the role include Mindy Kaling and Busy Philipps.
10. Jon Hamm went uncredited for his appearance in the film – and it was his suggestion!
11. Chris O'Dowd's character was supposed to be American, but producers preferred his real Irish accent.
12. Six members of the movie's cast were a part of the LA improvisational comedy troupe, The Groundlings.
13. Rose Byrne had to learn Thai for her engagement party speech.
14. Rebel Wilson and Matt Lucas were real life roomies.
15. Jon Hamm used to be Ellie Kemper's drama teacher!
16. Annie wears a bra to bed with Ted, but not with Officer Rhodes to signify how she feels about both men.
17. The location where the infamous bridal shower takes place is also bloody Wayne Manor!
18. Jill Clayburgh, who played Annie's mum, never got to see the final film.
19. Bridesmaids is the first and only Judd Apatow related feature to receive Academy Award nominations.
