Good Morning Britain host Piers Morgan is encouraging “very famous people” to have the COVID-19 vaccine in order to motivate others to get immunised.Talking about the rollout of the immunisation injection, the presenter said rocker Rod Stewart was happy to volunteer.Piers revealed the news during a segment on TV this morning.Speaking to his co-host Susanna Reid and guests, he said the 75-year-old had got in contact with him and would step forward.“I had an email yesterday actually from Sir Rod Stewart offering his services if we were looking for people to do it, and he was just doing it as a public spirited gesture.“His wife had mentioned that we had been talking to Matt Hancock about it and he said, ‘look, if you think it would help, I.