Ant McPartlin almost lost his cool with Britain's Got Talent co-star David Walliams during the recording for the talent show's Christmas special.David, 49, played up during the filming as he continually missed his stage cues and fell over while walking off the stage.His antics caught the attention of host Ant, 45, who appeared to be annoyed by the comedian who took to the stage on several occasions during the episode.Ant and co-host Declan Donnelly, 45, took to the stage dressed in black three-piece suits looked suave as they rehearsed the introductions to various acts as well as informing viewers what they can expect.However, David had other ideas and often appeared behind the Geordie duo before telling Ant to "keep his forehead on".After.
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