This year's Comic Relief song has been recorded by Girls Aloud and Sugababes, it has been announced.

The pair of girl groups have reworked Aerosmith's "Walk This Way" for the charity event, which is expected to take place in March.

Although there has been no official confirmation from either band about the duet, TLC producer Dallas Austin is understood to have produced it.

Last year's Comic Relief song, "Is This The Way To Amarillo", by Tony Christie and Peter Kay, charted at Number One.

The 2007 Red Nose Day is scheduled to take place on March 16.