The Philadelphia Story

Divorced from C.J. Dexter Haven, she is engaged to a successful young snob

A gossip weekly sends a reporter and a camera woman to report the wedding arrangements and they are injected into the house by Tracy's brother who hopes to divert their attention from father's romance with a Broadway dancer

Tracy finds herself growing interested in Connor, the fascinating reporter

At the end of a pre wedding party, Tracy and Connor take a moonlight dip in the pool and meet her ex husband and finance on their way back to the house. The following morning her intended agrees to forgive her, but his smug attitude enrages Tracy and she breaks off the engagement

Connor offers to marry her, but she turns him down and re-marries Dexter

To the satisfaction of everyone

See also I Do, I Do, I Do