Mel Giedroyc and Sue Perkins host as celebrity acts sing and dance to iconic pop tracks, all in aid of Comic Relief.
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The first five celebrity acts sing and dance, competing for places in the grand finale.
More acts compete for a place in the grand finale, including quiz geniuses the Chasers.
Five more acts perform, including the presenters of The One Show.
Six acts compete in the final, all hoping to be crowned champion.