Sia was devastated over their split, she recalled years later. Sia Furler speaks onstage during the 5th Daytime Beauty Awards honoring science behind beauty, health and wellness at Taglyan Complex ...

Now, just days shy of their first wedding anniversary, the Cheap Thrills songstress has filed to change her name from ‘Sia Furler’ to ‘Sia Bernard’, according to court documents seen by TMZ.