Was Jennifer Aniston the cause of Justin Theroux's breakup?

Was Aniston the cause of Theroux's breakup?

Rumor has it has that "Horrible Bosses" star Jennifer Aniston, 42, may be the cause of actor Justin Theroux's breakup. Theroux's girlfriend of 14 years moved out of the couple's apartment over the weekend. A rep for Aniston has previously commented on the relationship.