Lili Reinhart Debuts Brunette Hair Transformation for The Love Hypothesis Movie Role

Lili Reinhart debuts new hair color. Credit :

Gilbert Flores/SXSW Conference & Festivals via Getty; Lili Reinhart/Instagram

  • Lili Reinhart is full of surprises as she debuts her brunette hair and upcoming project The Love Hypothesis
  • The Riverdale actress traded in her signature blonde hair as she announced her role as Olive in the film based on Ali Hazelwood’s romance novel
  • Reinhart will star in the film opposite Tom Bateman, who portrays Dr. Adam Carlsen

Summer is the season for bold hair transformations and Lili Reinhart just debuted hers.

The Riverdale actress, 28, is now a brunette! The blonde beauty shows she’s game for a color change with her latest Instagram post, hard-launching the hair color along with her role in The Love Hypothesis.

“👀🧬❤️ #thelovehypothesis,” Reinhart captioned the photo of her holding the romance novel written by Ali Hazelwood.

The Look Both Ways actress is already embracing her character Olive with her now-brunette hair pulled up in a messy bun, wearing a lab coat. 

Lili Reinhart. John Nacion/WWD via Getty

Reinhart participated in the “My name is Pink” TikTok trend where she showed her hair transformation and costar, captioning the post, “hello Dr. Adam Carlsen #thelovehypothesis.”

In the video, Reinhart shakes Tom Bateman’s hand who will play her love interest, Dr. Adam Carlsen in the film. 

“Third year phd student looking for a fake relationship,” Reinhart wrote on the video before flipping it around to reveal the Murder on the Orient Express actor. “Hotshot professor who agrees to fake relationship.”

Lili Reinhart. Mark Von Holden/Variety via Getty

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In the novel, Reinhart’s Olive tries to convince her best friend Anh that her dating life is going just fine. In the meantime, she and Dr. Adam Carlsen hatch the plan to pretend they are together, but along the way, their feelings begin to become real.

The Love Hypothesis film adaptation is being directed by Claire Scanlon (Set It Up) and will be executive produced by Reinhart, along with Hazelwood and Catherine Hagedorn. A release date has not yet been set.

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