Alan Dedicoat read out the running totals and Peter André reported from the BT Tower.
Lucy Porter was the eventual winner, with a Celebrity Mastermind record score of 35 points.
The concert included sets by Sir Paul McCartney, Cheryl Cole, Katherine Jenkins, Julian Lloyd Webber, Leona Lewis, Robbie Williams, Lily Allen, MIKA, Dizzee Rascal, Muse, Dame Shirley Bassey, Snow Patrol and Take That, and was hosted by Chris Moyles.
The event climaxed with all the artists collaborating onstage to perform "Hey Jude", by The Beatles.
As in previous years, the TV show Countryfile sold a calendar in aid of the appeal.