direct to your inboxLorraine Kelly will be missing from her own Lorraine show this week.The ITV presenter is being replaced by Strictly and Good Morning Britain star Ranvir Singh in the run up to Christmas.That's because Lorraine headed off on her festive break last week and revealed that Ranvir would be taking over instead.But fans of the show need not worry as they can still get their proper Lorraine fix this week - on Christmas day.For the first time ever, GMB, Lorraine and This Morning will