The campaign has been backed by other celebritychefs as well as by large chains such as Starbucks, McDonald's, Strada and Wagamama. Today, customers at Zilli Fish, where bottled water has now been banned, spoke out in favour of tap water. PR assistant Claire Stephens, 20, from Maida Vale, said: "I think it's a great idea because people don't always want to pay and they are made to feel like they're tight because of it."