Nicki Minaj -- Calls Meek Mill 'Baby Father' ... Pregnant? (VIDEO)

Nicki Minaj told a full house Saturday she's pregnant -- at least that's the way it seemed -- and it sure felt real.

Nicki and Meek Mill were performing in Pennsylvania when she told the crowd, "Make some noise for my baby father." Watch the video ... the camera pans to Meek, who raises his hands in elation.