Why?She was once considered the clean alternative to Britney but something happened in the past year and Christina Aguilerahas publically fallen off the wagon. She was panned for her Burlesque performance, annoyed Jeremy Renner for getting too drunk at his party, and messed up the national anthem. Through all these blunders Xtina still tried to make out she was fine but now, when she has something to plug – The Voice a new music reality show for which she is the host – she’s admitting anything “In light of the past year, there have been setbacks”. Oh purlease, do us a favour and save the publicity stunts. If you’re going to spill do it warts and all.