Sia's divorce from her second husband is getting nasty ... because a custody battle just broke out with both of them hurling ...

Sia's divorce battle with ex Daniel Bernard is taking a dark turn, as he has filed new legal documents to try to obtain sole ...

The singer, who shares a 19-month old son with ex Dan Bernad, filed for divorce in March after two years of marriage ...

Singer Sia and her estranged husband, Daniel Bernard, have been stuck in their contentious court battle for about seven months now.

After Kevin Federline and Britney Spears divorced, she began paying him $20,000 a month in child support, on top of alimony. Federline took full custody of the couple’s two sons following a messy ...

Australian singer and songwriter Sia has scored a significant legal victory in her divorce from her second husband, Daniel ...