London's Leicester Square was gripped by Jonas Brother fever on Wednesday evening as fans lapped up the trio's brand of wholesome Disney goodness.

Kevin, Joe and Nick were met by hundreds of screaming girls (and a few boys too) as they pulled up in a blacked-out car outside the Empire for the premiere of Jonas Brothers: The 3D Concert Experience.

Despite the rain, the boys spent an hour signing autographs and posing for pictures on the purple carpet.

You'd think they'd be used to the adulation by now but Kevin said they were “shocked” by the level of support from their UK following, and called last night's reception “unbelievable.”