Article continues below advertisementSia's split from her estranged husband, Daniel Bernard, is getting messy.According to legal documents obtained by a news outlet on Tuesday, October 28, Bernard, 47, requested full custody of the couple's 1-year-old son, Somersault Wonder Bernard, alleging the singer, 49, is a "serious and immediate danger" to their child.Article continues below advertisementSia's Ex Asked for Sole CustodySource: MEGADaniel Bernard asked for sole custody of his son with Sia.