Singer Jordin Sparks attends the 42nd Annual American Music Awards at the Nokia Theatre L.A. Live on November 23, 2014 in Los Angeles, California

Singer Jordin Sparks attends the 42nd Annual American Music Awards at the Nokia Theatre L.A. Live on November 23, 2014 in Los Angeles, California

*Who knew she had it in her?

Jordin Sparks viciously calls out ex-boyfriend Jason Derulo in her new song “How Bout Now (Remix),” a reworked Drake track from the mixtape “#BYEFELICIA.”

The girl is cursing and airing out all their dirty laundry:

“Member I deleted all my other guys numbers on my phone for you.
Member when you broke your neck and I had to wash your back for you.
You probably don’t remember half the s**t that I did for you.”

And it goes on …

“Once you blew up, head got big and you started changing.
Can’t believe all the things that you started saying.
Like I’m with you for your fame and your name. What?”

Listen to a snippet below:

The couple broke up in September following a 3-year romance. After the split Jason trashed Jordin, saying she was pressuring him to marry her.