Blac Chyna tried highjacking Rob Kardashian’s Range Rover at a lawyer’s office building last Friday. According to TMZ , the estranged couple had arrived the building to resolve their custody war when all hell was let loose and Chyna tried hightailing it out in Rob’s whip. Read their report of what happened below: Blac Chyna and her team of 5 lawyers, including Lisa Bloom, showed up at the Century City law offices of Laura Wasser, who reps Rob. They spent hours inside but, according to Bloom, nothing has been resolved. We’re told Rob had someone call ahead to have his car pulled up to the valet stand, but he wanted to wait until Chyna left. According to witnesses, a visibly agitated Chyna came along, saw the Range Rover, got inside and prepared to hightail it away from the building. We’re told one of her lawyers told her, “That’s not a good idea,” and with the help of a valet, they got Chyna out of Rob’s whip. Bloom tells TMZ Chyna did not try to drive away in the Range Rove...