Sia’s songwriting skills allow her to make catchy hits for herself and other artists, and she shows this talent and her vocal ability yet again on her latest holiday album, Everyday Is Christmas.

The Australian artist is also credited as a songwriter on critically acclaimed songs like Titanium, Diamonds, Wild Ones, and Pretty Hurts. Music critics credit her popularity as a singer to her ...

Britney Spears cowrote this song with Sia. It's reported that the song has real-life ties to Jason Trawick, whom Britney split from during the recording process. This song, written and performed by ...