This year’s Comic Relief single, by Gavin and Stacey stars Rob Brydon and Ruth Jones, has gone straight to number one in the UK charts.

Islands In The Stream, which features guest vocals from Tom Jones, is the 11th Comic Relief single to top the charts.

It adds to the £5.5m already raised by Comic Relief songs over the past two decades.

This week’s number two single, Just Can’t Get Enough by girl band The Saturdays, is also in aid of the charity.

Comic Relief 2009 raised a record £57.8m during Friday night’s star-studded telethon, with another £20m worth of donations expected to flood in.

Other Comic Relief singles to top the charts have included Peter Kay and Tony Christie’s Is This The Way To Amarillo, Boyzone‘s When The Going Gets Tough and Westlife‘s cover of Uptown Girl.

In other chart news, the first American Idol winner Kelly Clarkson had a new entry in the album chart at number three with her latest effort All I Ever Wanted.

And teenage opera sensation Faryl Smith, who reached the 2008 final of Britain’s Got Talent, entered the album charts at number six with her self-titled debut