After Piers Morgan sensationally quit Good Morning Britain, Denise Welch has publically hit out at his former colleagues and threatened to expose them.The Loose Women star, who previously slammed Brooklyn Beckham's neck tattoo, was left unhappy by some Good Morning Britain staff for publicly defending the presenter. Denise, 62, took to Twitter to write: "To those colleagues defending Piers and saying what a great guy he is just remember...