This star has been working on her fitness!

Mo'Nique is not shy about showing off her impressive weight loss progress, and the Academy Award-winning actress is officially announcing she has lost 100 pounds.

"HEY SISTERS. THE 40 AND OLDER CLUB. AT [THE] BEACH HAVING A BALL," she wrote alongside a beach photo of herself and friends.

RELATED: Melissa McCarthy Continues to Flaunt Impressive Weight Loss — Find Out Her Secret!

The star has been on a constant fitness mission, documenting her work on social media and sharing videos of her workout sessions with fans.

"I know [this] looks sooo simple, however baby my legs and butt is on fire," she wrote about a quick clip of a high-intensity dance routine. "Things that we want to make complicated can be so simple."

We're loving the fitness inspiration!