A rocky start to the trial.
Blac Chyna is suing them for defamation and economic interference.
Khloé said she could "demolish" Kourtney, but Chyna disagrees.
Real Q: Would Barb and Kris Jenner get along?
Apparently, Chyna never gave Kylie permission to take her daughter on a helicopter ride.
Once you see it, you can't unsee it.
"The world really is backwards. Sad thing is people will actually buy it," one critic said.
Does this mean their feud is over?