Chris Brown's baby mama knew Karrueche... See photos of her

More gist on Chris Brown's baby and mama keep surfacing. It is official! The singer's babymama is Nia Gonzalez and some reports claim that Nia knows Karrueche while she slept with her man..Another report even claims she knows Rihanna.. Desperation or she is just biaaaatttch?

MTO reports....

MediaTakeOut.com is getting more and more info on Chris Brown's new babys mother, Nia Gonzalez - and NONE OF IT is good. MediaTakeOut.com CONFIRMED that Chris and Nia took a blood test last week, and that Chris is her daughter's father.

Nia is an instagram model - who dates rappers and has been BOPPIN around Houston since the 1990s. Here are some of her pics.
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MediaTakeOut.com obtained this pic of Nia and Karrueche - together in Las Vegas. This pic was taken 22 months ago - right around the time Chris and Nia were f*cking.

Kinda makes you wonder if she got PREGNANT DURING A THREESOME. Cause Karrueche looks really COMFORTABLE around this chick.

See photos of her after the cut...