From James Corden and Mathew Horne's red and black rubber outfits as Kylie Minogue's backing dancers, to Duffy's plunging red gown while performing Warwick Avenue, outfits wowed at the Brits.
Girls Aloud wore stunning gold-tasselled outfits and won huge applause as they belted out The Promise.
Meanwhile, Coldplay's Chris Martin wore a union flag-emblazoned jacket to sing Viva La Vida amid confetti pouring from the ceiling.
The Killers' Brandon Flowers wore feathered shoulder adornments as he sung with the Pet Shop Boys on their medley and Lady GaGa wore a white skimpy outfit.
The Pet Shop Boys's Chris Lowe sported a pink wig, while singer Neil Tennant wore a bowler hat.
The duo rushed though their hits at lightning speed, including Suburbia, Being Boring, It's A Sin and West End Girls.
Lady GaGa sung Dusty Springfield's part during What Have I Done To Deserve This?
Take That sported spectacles to sing their song Greatest Day.
The set itself was a flower-crazy festival scene, with cut-outs of a tent and a caravan and herds of cows crowding the stage.