Celebrity | celebrity divorce Sia Files to Divorce Hubby She's been married to Erik Lang since 2014 By Evann Gastaldo Posted Dec 30, 2016 6:20 PM CST Copied In this Aug. 7, 2014 file photo, filmmaker Erik Anders Lang, left, and singer Sia attend a party after the premiere of "The One I Love," in Los Angeles. (Photo by Todd Williamson/Invision/AP, File) It's over for Sia and her husband of two years: The Grammy-nominated singer has filed to divorce filmmaker Erik Lang, the AP reports. The documents, filed on Dec. 20, cite irreconcilable differences. The couple's publicist first announced their separation on Dec. 7. They have no children together. Read These Next FBI images show masked man at Nancy Guthrie's front door. At least 10 dead in mass shooting in small Canadian town. A Minnesota gubernatorial candidate's daughter has been killed. Police raided a 'bikini cafe' and arrested 17. Report an error