Waitress (2007)

Jenna is a small-town waitress at Joe's Diner, who has a great knack at making delicious pies there. However, Jenna is in an unhappy marriage to her controlling and immature husband, Earl, who always takes the money she works hard for, but Jenna keeps some of it hidden from him. Jenna suddenly finds her life has taken an unexpected turn when she discovers she's pregnant with Earl's baby. But the unhappy pregnancy changes Jenna's life as she becomes determined to win the $25,000 pie contest prize money and begins an affair with her handsome, married gynecologist that gives her confidence and an attempt at happiness. [imdb]