Jennifer Lopez is the second judge in two days to say she's leaving American Idol.
Her representative, Mark Young, said that J Lo is ending her time on television's most popular show after two years.
The news comes just a day after Aerosmith singer Steven Tyler announced his departure.
That means the show's judging panel is down to one, Randy Jackson, and there are reports that he may take a different role on the program moving forward.
Fox's American Idol has been TV's most popular program for nearly a decade. But it slumped severely in the ratings last season, and producers are looking for a way to shake things up.
Mariah Carey is rumoured to be in talks to join the judging panel.