Wow: What a price to pay for A LEGAL SHACK UP

Portia de Rossi has finally had enough. After eight years of her wife Ellen DeGeneres’ controlling behavior, the pair have been “arguing more than ever,” an insider tells In Touch — and are finally heading for a divorce.

And it’s going to be messy.

“They’ve had heated debates about Ellen’s controlling behavior and her anger issues,” the source says. “They fight over Ellen’s drinking, her lavish spending — mostly on real estate — plus her busy work schedule and how she doesn’t want Portia to work.” MORE