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Judges Cowell and Walliams 'make-up'

Britain's Got Talent chief Simon Cowell showed off a new skill when he gave fellow show judge David Walliams a makeover by painting his face (right).

The pair showed that although they may squabble on screen, they have no problem with making up as they got in the mood for this year's Comic Relief efforts.

They were helping to launch the campaign for Red Nose Day which involves encouraging the public to make their faces look funny.

"I feel beautiful," said Walliams. "Simon's been hard at it all evening and he's even chosen colours that complement my eyes - I suspect this isn't the first time he's picked up a make-up brush."

The charity wants people to paint their faces or wear a red nose on March 13.