Calvin Harris' dressing room is prepared at the O2 Arena before his Jingle Bell Ball performance.
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Countdown To The 2011 Jingle Bell Ball!
![Calvin Harris' dressing room at the O2 Arena](https://assets.capitalfm.com/2011/48/behind-the-scenes-at-the-2011-jingle-bell-ball-12-1322858878-view-0.jpg)
11. Calvin Harris' dressing room is prepared at the O2 Arena before his Jingle Bell Ball performance.
Picture: Richard Johnson