After winning Series Mania’s Best Actress Award for her turn opposite Cooper Raiff in Mubi’s "Hal & Harper", Lili Reinhart has signed on to star in and exec produce "The Love Hypothesis", an adaptation of the New York Times bestseller by Ali Hazelwood, for Amazon MGM Studios and MRC.
In the romantic comedy, Olive Smith, a biology PhD candidate, and Dr. Adam Carlsen, a hotshot professor and well-known tyrant, enter into a fake relationship, seeing each of their carefully calculated theories on love get thrown into chaos.
Published by Berkley, an imprint of Penguin Random House, Hazelwood’s novel spent 10 months on the New York Times bestseller list, breaking out internationally in 40 countries.
Originally acquired for publication by editor Sarah Blumenstock at Berkley, the book was also named the Best Romance of the Year by Amazon.
Hazelwood is also known for titles like "Problematic Summer Romance," "Deep End," and "Bride", among others.
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Claire Scanlon (Set It Up) is directing "The Love Hypothesis" from a script by Sarah Rothschild (The Sleepover).
Elizabeth Cantillon (The Girl in the Spider’s Web, Charlie’s Angels) is producing, with Reinhart, Catherine Hagedorn, and Hazelwood executive producing.
Soon to be seen starring opposite Raiff and Mark Ruffalo in the former’s indie TV series "Hal & Harper", a project she produced which was acquired by MUBI following its premiere at Sundance, Reinhart’s upcoming slate also includes Uta Briesewitz’s "American Sweatshop," which premiered at SXSW this year.
She recently wrapped on Brian Swibel’s directorial debut, "The Very Best People," as well as Meredith Alloway’s first feature, "Forbidden Fruits," which IFC Films will release in 2026.
Reinhart is also attached to produce and star in Ali & Anthony Garland’s "Fake Wedding," which is in development at Amazon MGM under her production company, Small Victory.