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

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 m while Bush frontman Gavin is worth $35 m.