Christina Aguilera mentioned in an interview with KIIS FM that she did collaboration with Sia and the song title is called “Blank Page”, here’s the audio clip for you guys to listen:
[youtube]http://www.youtube.com/watch?v=B5gq5k7Ot10[/youtube]
[blackbirdpie url=”https://twitter.com/siamusic/status/246646627312476161″]
