Episode 1

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Nicole Scherzinger, Simon Pegg, Nick Frost, Matt Cardle

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Episode 2

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Westlife, Dermot O'Leary, David Walliams, Mary J Blige

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Episode 3

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Gary Barlow, Kelly Rowland, Louis Walsh, Tulisa Contostavlos, Tinie Tempah, Terry Wogan, Kasabian

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Episode 4

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Lady Gaga, Dannii Minogue, Peter Kay, Ed Sheeran

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Episode 5

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Lee Evans, One Direction

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Episode 6

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Stars of Life's Too Short, Ricky Gervais and Warwick Davis, as well as DJ Vernon Kay

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Episode 7

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Christmas Special 2011

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Episode 8

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New Year Specstacular

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