Union J - 3 Appearances
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Jingle Bell Ball Line-Up: The 29 Most Popular Performers (2008 - 2015)
25. Union J - 3 Appearances
They had it all last year, with TWO unforgettable performances in 2014 and their 2013 debut, the Union J boys have a healthy hat trick of JBB shows under their belts. (Picture: Scott Salt)
