Miss Firecracker (1989)

Carnelle isn't happy with her life, so in order to improve herself she enters a local beauty contest, trying to emulate her cousin Elain's win many years ago. Few think she can win, even her closest friends and relatives (e.g. slightly mad cousin Delmount) think she's heading for a big disappointment, but Carnelle is ever hopeful, seeing a win as a ticket to escape her small town in Mississippi.