Sia, birth name Sia Kate Isobelle Furler is an Australian pop singer-songwriter born on December 18, 1975 in Adelaide, South Australia, Australia. During her career she has released four studio albums and four EPs. None of her albums could earn much commercial success, yet she has been noticed by pop diva Christina Aguilera who invited Sia in the studio to write her an album. The collaboration yielded four tracks and Sia names Christina to be her “best friend”. Sia’s signed to major label Sony Music and she has released three albums with it. They are Healing is Difficult (2000), Colour the Small One (2004, 2005) and Some People Have Real Problems (2008). You can download these albums by Sia in mp3 from our site. She also collaborated with Zero 7, The Bird and the Bee’s. Sia is bisexual and according to her she was always open about it.