Beauty pageants are the subject of this black comedy by director Michael Ritchie. Brenda (Feldon) is a former winner and the organizer of the Young American Miss pageant in Santa Rosa, California. She's having an extramarital affair with Big Bob (Dern) who sponsors the pageant. The film follows the fortunes of Brenda, Big Bob and the contestants as they compete to win the crown.
There's something of a cult following for this film. It's available on DVD and can be found in part on YouTube. The trailer is above, uploaded by robatsea2009.
Obscurity factor: 7 (not well remembered by the general public, has cult following, on DVD)