Prepare to see a darker side of Mila Kunis.

On Monday, Netflix confirmed that the 37-year-old actress will star in the film adaptation of Jessica Knoll's bestselling book, Luckiest Girl Alive. Although we don't have very many details about the film, we already know that fans of Gone Girl will be obsessed. So, what is Luckiest Girl Alive about? And when can fans expect to see the movie? Here's what we know.

The Netflix movie will focus on Ani FaNelli (Kunis), a young girl who grows up to become a successful woman with a glamorous job. When the director of a crime documentary invites her to share details about a disturbing incident from her past, she's forced to confront a very dark secret—one that could jeopardize all of her success.

The film has come a long way since it was first picked up in 2015. At the time, Lionsgate nabbed the filmmaking rights, and Reese Witherspoon was set to produce it with Bruna Papandrea. Instead, Papandrea will produce the film alongside Jeanne Snow, Erik Feig, Lucy Kitada, Kunis and Knoll.

To top it off, Mike Barker (who's best known for his work on The Handmaid's Tale) will direct.

In response to the casting news, Knoll wrote on Instagram, "This has been six years of relentless rewriting, rejections, studio changes, and torturous stretches of stagnation. I am SO proud of the fact that Mila Kunis read the 63rd draft of my script and was like yeah, I get this girl, and so grateful for her shrewd third act notes that helped me take the 64th draft into another stratosphere. And I am SO grateful to team Luckiest Girl Alive who never gave up on this project and fought so hard to get us to this point."

A release date has yet to be confirmed, but we'll be keeping an eye out for more details! 

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RELATED: 8 Times Mila Kunis and Ashton Kutcher Were Just the Cutest

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