Coronation Street star Kym Marsh has become a grandmother for a second time, making the announcement last night (August 18) on her Instagram that her son David Cunliffe has welcomed a baby boy with his fiancée.The actress, 46, shared a series of photos of the newborn named Clayton Lenny David Cunliffe, saying she is "very proud" of her son David, 26, and his partner Courtney. She captioned the adorable images: "Introducing…..Clayton Lenny David Cunliffe!!! Our beautiful new grandson was welcomed into the world on 17.08.22 weighing a whopping 10lb 7oz!! She added: "I am so very proud of our future daughter in law @courtneyleac for being such a warrior and of our son @cunliffe890 for being the most wonderful supportive partner.