Edie & Pen (1996)

Two women, Edie (Jennifer Tilly) and Pen (Stockard Channing), go to Reno, Nevada to get a quick divorce from their husbands. They start chatting and become friendly. In a local bar, they meet a man whose wife just left him. He becomes interested in bedding one of the girls. The women's newly formed friendship is tested when they find out that the soon to be fiancé of the first woman is in fact the ex-husband of the second woman.