Josh Brolin and Diane Lane are splitting up.

So that's why she's been calling me ... .

A little more than eight years after they tied the knot, the 48-year-old "Cinema Verite" actress, and the 45-year-old "Gangster Squad" actor have split, reps for the couple told Us Weekly.

The magazine quoted an insider as saying "It was a mutual decision. It is very amicable. It's not ugly, it's just over."

The pair, who married in August 2004, split a couple of months ago. They have no children together.

This will be the second divorce for both. Lane was married to actor Christopher Lambert from 1988 to 1994. During the same time span, Brolin was married to actress Alice Adair, with whom he has two kids, Trevor, 24, and Eden, 18.

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