Match made in heaven! Sigala & Imani Williams get close on the red carpet This image appears in the gallery:#MonsterMashUp 2016: ALL The Photos From Last Halloween's BIGGEST Party 42. Match made in heaven! Sigala & Imani Williams get close on the red carpet (Pic: PA) 77 images See the full gallery: #MonsterMashUp 2016: ALL The Photos From Last Halloween's BIGGEST Party