The third series aired between 19 February 2011 and 12 March in aid of Comic Relief, and was won by James Thornton and Charlie Baker.

A fourth series aired from 18 February until 17 March 2012 in aid of Sport Relief, and was won by Rowland Rivron.

On 6 October 2016, the BBC announced that the show would return for Red Nose Day 2017 as Let's Sing and Dance for Comic Relief.

The four-part series was announced by the BBC in January 2009 as part of the corporation's events surrounding Red Nose Day 2009, hosted by Steve Jones and Claudia Winkleman.

The acts were, in order of performance: The guest panellists for the final week were Denise van Outen and Michael McIntyre.

It ran from 19 February until the final on 12 March, when Charlie Baker and James Thornton were crowned champions with their rendition of "Puttin' On The Ritz".

The sixth series, renamed Let's Sing and Dance for Comic Relief, was hosted by former The Great British Bake Off presenting duo Mel Giedroyc and Sue Perkins.