Family Affair (1966)

Cissy and Gregg? Getting married? Not if Bill can help it. He takes the kids to California to get Cissy to change her mind. Bill then takes her to a studio party where Cissy meets Steve Hunter, a handsome western star. She falls for him and, after hearing stories about Steve, Bill tries to stop this new romance by bringing Gregg out to win her back. Gregg tells Cissy that he wishes her lots of luck with Steve. Steve then proposes to Cissy, and she refuses.