Piers Morgan has paid an emotional tribute to a "magnificent lady" following her sad death on Friday.MORE: Piers Morgan hits out at 'desperate' Dan Walker in heated Twitter spatThe former GMB star joined hundreds of Arsenal fans in paying homage to the club's "legendary" supporter Maria Petri, who passed away at the age of 82.WATCH: Piers Morgan expresses concerns over the Queen's well-beingTaking to his Instagram Stories, Piers shared a touching photo of Maria dressed head-to-toe in red and holding an Arsenal scarf while beaming for the camera, which he captioned: "RIP Maria Petri, Arsenal's greatest ever fan."He added: "Never missed a game and we always heard her chants. Magnificent lady.