From 'Rather Be' to 'Rockabye' - Clean Bandit brought their BIGGEST hits to the #MonsterMashUp stage This image appears in the gallery:#MonsterMashUp 2016: ALL The Photos From Last Halloween's BIGGEST Party 40. From 'Rather Be' to 'Rockabye' - Clean Bandit brought their BIGGEST hits to the #MonsterMashUp stage (Pic: PA) 77 images See the full gallery: #MonsterMashUp 2016: ALL The Photos From Last Halloween's BIGGEST Party