Even with a UK tour to prepare for Christina's been busy - here's the official word on what she's been up to over the last few weeks...
Christina recently appeared in the video for P Diddy's 'Tell Me', she will also be appearing at the World Music Awards on November 14.
And that's not all - 'Back To Basics' is being used by Christian Dior in his new catwalk show!
Check out the Dior website to watch the Christina-soundtracked event. Follow the United Kingdon link, then hit 'live', then click 'Launch The Video'.
It looks awesome!