He’s one of Britain’s most controversial celebrities, and he’s often overstepped the mark. For this list, we're counting down Piers Morgan’s most infamous moments, from heated arguments on live TV to social media scandals. And he's clashed with a lot of celebs in his time... From Susan Sarandon to Jeremy Clarkson, Rebekah Vardy, Ariana Grande, Madonna, Stan Collymore and Ian Hislop, there's a long list of people who Piers has annoyed, angered or incensed.