Britney Spears is hinting at her involvement in an upcoming film project — but it’s not her biopic.

On Friday (Aug. 30), the 42-year-old pop superstar shared a cryptic message on social media amid hype that actress Emma Roberts is interested in portraying Spears in the biopic adaptation of the singer’s best-selling memoir, The Woman in Me.

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“The project I might be doing isn’t a biopic story … it’s a fictional musical where I play an extremely intelligent character !!!,” Spears wrote on Instagram alongside an illustration of a girl hovering over a pair of cats.

She added, “It’s flattering to be in such good company like Jon Chu !!!”

Following a bidding war, Universal Pictures reportedly won the rights to adapt the pop princess’ best-selling book into a film. The Woman in Me chronicles Spears’ rise to fame, her relationship with fellow child star Justin Timberlake — which included her getting pregnant and having an abortion during their time together — as well as her life under a highly restrictive 13-year conservancy.

Wicked director Jon M. Chu and Marc Platt are leading the film’s development, according to Variety. Spears also took to X (formerly Twitter) in early August to reveal that she’s been working on a “secret project” with Platt.

“Excited to share with my fans that I’ve been working on a secret project with #MarcPlatt. He’s always made my favorite movies … stay tuned,” Spears wrote.

No casting or timeframe has been announced for the biopic at press time.

In a recent interview with Cosmopolitan, Roberts was asked about headlines in which Spears’ longtime assistant, Felicia Culotta, pitched the Space Cadet actress, 33, as the perfect actress to portray the “…Baby One More Time” hitmaker in the biopic.

“I was like, I love her assistant. I mean, it’s my true dream to play Britney Spears,” Roberts said of Culotta’s TMZ interview, in which she suggested that Emma’s child star roles on Nickelodeon shows such as Unfabulous were a good parallel to Brit’s younger years on The All-New Mickey Mouse Club.

“It’s a rumor, but I hope maybe it’ll come true. I mean, I remember I locked myself in my room and listened to [2003’s] In the Zone and said, ‘I cannot leave this room until I memorize every word,’” Roberts said.

See Spears’ “fictional musical” teaser post on Instagram here.