He's back! Marvin takes to the stage to perform another amazing set. This image appears in the gallery:25 Of The MUST-SEE Photos From Capital's Monster Mash-Up In London 9. He's back! Marvin takes to the stage to perform another amazing set. Marv just totally knows what the crowd wants! Picture: PA 25 images See the full gallery: 25 Of The MUST-SEE Photos From Capital's Monster Mash-Up In London