Gwen Stefani and Gavin Rossdale have reportedly finalised the details of their divorce.

Gwen Stefani and Gavin Rossdale

Gwen Stefani and Gavin Rossdale

The former couple - who split in August after 13 years of marriage - have agreed to share custody of their three sons, Kingston, nine, Zuma, six, and Apollo, 19 months, according to TMZ.

It has been reported that the couple did not have a pre-nuptial agreement, with Gwen believed to be worth $100 million while Bush frontman Gavin is worth $35 million.

Announcing their split in August, the couple said in a statement: "While the two of us have come to the mutual decision that we will no longer be partners in marriage, we remain partners in parenthood and are committed to jointly raising our three sons in a happy and healthy environment."

And the pair are said to be "trying to keep things as normal as possible" for their children.

A source told People magazine: "It's obvious that they are trying to keep things as normal as possible for their boys. On the outside, their family life seems pretty normal. It doesn't seem like their separation has affected their day-to-day life. For Gwen and Gavin, their boys always came first."

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