Which film features Mariah Carey as a waitress named Krystal?

The film featuring Mariah Carey as the waitress Krystal is “Tennessee.” In the 2008 American road drama, Carey plays a diner waitress whose character becomes part of two brothers’ troubled journey.

The story follows Carter and Ellis as they travel toward Tennessee in search of their estranged father, hoping to find a possible bone-marrow donor for Ellis, who has leukemia. After their car breaks down, they meet Krystal at a diner. She is dissatisfied with her life, dreams of becoming a singer-songwriter, and eventually leaves her abusive husband to join the brothers.

“Tennessee” was directed by Aaron Woodley, written by Russell Schaumburg, and produced by Lee Daniels. It premiered at the Tribeca Film Festival on April 26, 2008, before receiving a limited U.S. theatrical release in June 2009.

The role is easy to confuse with Carey’s other acting credits, especially “WiseGirls,” where she also appeared in a prominent dramatic role. Carey also wrote and performed “Right to Dream,” a song connected to the film and inspired by Krystal’s aspirations.