Brad Pitt and Angelina Jolie will NEVER be finished negotiating the terms of their divorce and custody of their six kids, it seems. We spotted the actor headed into his attorney's Beverly Hills office yesterday for a meeting with Angie that ended up lasting FOUR HOURS.

We saw Jolie's black SUV speed out of the parking garage after the long negotiations, presumably over custody arrangements for Pax, Maddox, Shiloh, Zahara, and the twins Vivienne and Knox. Back at the beginning of December, Angelina's lawyer release a statement saying the parties had come to a permanent and final agreement regarding custody: "The agreement, which is based on the recommendations of the child custody evaluator, eliminates the need for a trial. The filing and details of the agreement are confidential to protect the best interests of the children."

Clearly, though, something's going on if the two sides need to continue to meet for four hours ...