Washington, Jan 11 : Hilary Duff and estranged husband Mike Comrie have agreed to share custody of their 21-month-old son Luca, it has been revealed.

According to her mother Susan, they are preparing to file for divorce soon and claimed that they are better friends than a married couple, TMZ. com reported.

The 26-year-old singer's mother insisted that she is still a big fan of the 33-year-old former professional ice-hockey player and there are no hard feelings between them.

A spokesper son for the 'So Yesterday' hitmaker had confirmed that the duo had mutually decided upon an amicable separation. (ANI)