JUST three months after pledging that she’d never leave Court TV, Nancy Grace quit the cable network that made her famous.

“I love it here – it’s like a second home,” she told The Post last February.

Yesterday, though, she said in a statement released by CNN that she has decided to leave that second home – where she has worked for 10 years – “to focus on my [CNN] Headline News program and my charitable endeavors.”

Grace, 48, has been working for both CNN and Court TV since 2005. On Court TV, she anchors the two-hour, weekday show, “Nancy Grace: Closing Arguments.”