A pregnant Una on the red carpet at the 2011 Jingle Bell Ball at London's O2.
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Sunday's Jingle Bell Ball 2011: Red Carpet Arrivals
![The Saturdays arrive at the 2011 Jingle Bell Ball](https://assets.capitalfm.com/2011/49/the-saturdays-arrive-at-the-2011-jingle-bell-ball-2-1323021270-view-1.jpg)
This image appears in the gallery:
Sunday's Jingle Bell Ball 2011: Red Carpet Arrivals