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Biggest Loser star and trainer Jillian Michaels is about to say adios to the show.

Michaels, 36, is ready to step away from the hit show, reports E! Online.

The trainer took to her Twitter and posted the following message: “Season 11 of Biggest Loser will be my last 🙂 have to finish out my contract.”

“I want to take a year off TV and focus on becoming a mommy and doing more charity work,” she said in another tweet.

Apparently The Biggest Loser has already found Michaels’ replacement.  The hit reality show is shaking up thing sin the upcoming season by adding two new trainers, one of which will be Michaels’ permanent replacement.

The newest season of The Biggest Loser begins Jan. 4.

Selected Reading: E! Online, MSNBC,