The movie is loosely based on Shakespeare's "Much Ado About Nothing". Quotations from the play are embedded in the background as title cards and occasionally integrated into the dialogue.
During filming, Sydney Sweeney was bitten by a spider. The camera was rolling while this happened, which lead to the clip being posted online. The medical staff on set recorded the incident as "Sydney Sweeney (Cast Department) bitten by Spider, now Spiderwoman" while being unaware of her involvement with Madame Web (2024).
The name of the shop where they get the wedding cake is Dogberry's. Dogberry was the name of the constable in the play "Much Ado About Nothing", on which this movie is based.
The two main characters share names with the leads of William Shakespeare's Much Ado About Nothing. Bea's full name is Beatrice, as seen on her LinkedIn, while Ben could be short for Benedict
Early in the film, Halle (Hadley Robinson) says to Bea (Sydney Sweeney) that ever since their parents arrived in Australia, her mother thinks that she, herself, is Australian. Rachel Griffiths (who plays their mother) is actually from Melbourne, Australia.