Just last week, the longest sitting judge on America's Got Talent, Sharon Osbourne, announced on Twitter she's leaving the NBC show. The message she tweeted to Howard Stern, a new judge on the panel, was rather mysterious and she didn't reveal the reason she isn't coming back, only that it isn't because of a salary dispute.

"My darling @HowardStern, money is not the reason I’m not returning to @nbcagt, it’s because…”

OK! NEWS: SHARON OSBOURNE ANNOUNCES SHE'S LEAVING 'AMERICA'S GOT TALENT'

But now it's unclear whether or not that's still the case or if she'll actually sign on for another season.

"I mean, I never know what I'm doing tomorrow let alone today," Sharon, 59, told US Weekly. "I just didn't like the fact that it got out that it was because of money. It's not because of money," she continued. "They've asked Howard back, they haven't asked me back. So, who knows in this business?"