The former newspaper editor sent tongues wagging when he accused her being fake in a on-air rant on his show Good Morning Britain.
“She is an actress. She’s acting great at the moment.”
Showing no change of heart, he then tweeted, "Once an actress..." beside an image of Meghan Markle with Prince Harry.
Morgan's co-host Susanna Reid believes his hate for the star is down to a run in at a London pub.
“You still can’t let it go, can you Piers? The fact she left the pub that day and never spoke to you ever again.”
Denying the comment, Morgan attacked, “It’s a red light when people behave like that, in an odd manner ... the axe came down, as it did with the dad, axed — everyone of her family ... worrying ...”
Meghan, who is pregnant with her first child, needn't worry about the comments after winning over Australia as she and Prince Harry take on their 16 day tour.