By McKaila Poppen Mar 10, 2021 Piers Morgan stormed off the set of "Good Morning Britain" yesterday when one of his co-hosts brought up Meghan Markle. His co-host, Alex Beresford, brought up Peirs' past behavior towards Meghan Markle and Piers said, "I'm done with this" and walked off set. Check out the clip below. After leaving the set, he has left the show for good. This morning, he posted this tweet.