A source told the New York newspaper, “It was amicable, they're still friends and they are still talking. They just grew apart and went their separate ways.”
“Neither are ready to settle down, and both have busy careers that have been taking them in different directions.”
Leo, 36, and Bar, 25, split for six months in 2009 but reunited last year.
Leo has said in the past that he doubts he'll ever marry. “I don't know whether I'll ever get married. I've seen too many supposedly happy marriages go down. I've been as shocked as anyone.”