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Diversity
Themselves - Special Guests
/ ...
12 episodes, 2009-2019
Spelbound
Themselves - Contestants
/ ...
8 episodes, 2010-2016
Susan Boyle
Herself - Contestant
/ ...
7 episodes, 2009-2019
New Bounce
Themselves - Contestants
6 episodes, 2011
Louis Walsh
Himself - Guest Judge
/ ...
5 episodes, 2010-2011
Paul Potts
Himself - Contestant
/ ...
5 episodes, 2007-2009
Faryl Smith
Herself - Contestant
/ ...
4 episodes, 2008-2009
Peridot
Themselves - Contestants
4 episodes, 2009-2010
Lucy Kay
Herself - Contestant
4 episodes, 2014
Olena Uutai
Herself - Contestant
/ ...
3 episodes, 2018
Ed Sheeran
Himself - Special Guest
2 episodes, 2013-2014
Olly Murs
Himself - Special Guest
2 episodes, 2013-2015
Cheryl
Herself - Audience Member
/ ...
2 episodes, 2014-2019
The Vamps
Themselves - Special Guest
2 episodes, 2014
Little Mix
Themselves - Special Guests
2 episodes, 2014-2017
Pixie Lott
Herself - Special Guest
1 episode, 2010
Jessie J
Herself - Special Guest
1 episode, 2011
Labrinth
Himself - Special Guest
1 episode, 2012
LMFAO
Themselves - Special Guests
1 episode, 2012
The Wanted
Themselves - Special Guests
1 episode, 2012
Will i Am
Himself - Special Guest
1 episode, 2014
BTS
Themselves - Special Guest
1 episode, 2019
Psy
Himself - Special Guest
1 episode, 2013
Alfie Boe
Himself - Special Guest
1 episode, 2018
Rita Ora
Herself - Special Guest
1 episode, 2018
Natalie Holt
Herself - Egg thrower
(uncredited)
1 episode, 2013
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