Well actually, no tears. Lots of facial contortions but no tears during any of her testimony. That's partly why it's so jarring to watch. You can tell she's trying really hard but just can't squeeze out any tears or keep up the act under scrutiny or without direction.
Speaking of facial contortions, here's a less than 2 minute clip of JD's lawyer dismantling one of her expert witnesses.
That was some pure gold! "Um, uh... I... do I have to answer that question?". Ha ha