Martin Solveig poses on the Monster Mash-Up red carpet in Liverpool ahead of his set. This image appears in the gallery:#MonsterMashUp 2016: ALL The Photos From Last Halloween's BIGGEST Party 69. Martin Solveig poses on the Monster Mash-Up red carpet in Liverpool ahead of his set. (Pic: PA) 77 images See the full gallery: #MonsterMashUp 2016: ALL The Photos From Last Halloween's BIGGEST Party