Davina McCall's latest social media post is heart-stopping!The TV star hilariously revealed that she'd bought herself the series Dead Set on Blu-Ray for Christmas.MORE: Nigella Lawson looks so different in unearthed 90s footageAnyone who watched the Charlie Brooker mini-series at the time will recall that the show follows a zombie outbreak on the Big Brother set. WATCH: Holly Willoughby and Davina McCall dye their hair in lockdownOf course, Davina was the host of the popular reality show for