U2s Bono and The Killers' Brandon Flowers also join in at charity gig
They were joined by U2 star Bono, 48, and The Killers’ Brandon Flowers, 27, for the fundraising event in honour of War Child’s 15th anniversary at the O2 Shepherd’s Bush.
The foursome belted out the The Killers’ hit single All These Things That I’ve Done.
Gary, 38, and Chris, 31 – who both went home empty-handed from the Brits – also duetted on Take That’s Back For Good.
Chris’s wife Gwyneth Paltrow, Sienna Miller, Natalie Imbruglia, Sophie Dahl and Edith Bowman were just some of the 200 special guests who cheered them on.
SEE VIDEO Gary Barlow, Chris Martin, Bono and Brandon Flowers perform All These Things That I’ve Done…