Sharon Osbourne quitting AGT

America’s Got talent, but it no longer has Sharon Osbourne … ’cause the AGT judge says she’s QUITTING the TV show for good.

Osbourne — who has been with “America’s Got Talent” since Season 2 — cryptically announced her exit from the show via Twitter on Tuesday, saying “My darling @howardstern, money is not the reason I’m not returning to @nbcagt, it’s because …”