The Vamps Age 11 Birthday Card The Vamps have become one of the most popular bands around. With over 2.5 million fans on Twitter alone, the popularity of this British pop band shows no sign of slowing down. The Vamps reads "Happy Birthday, 11 Today. To our No 1 fan, have a fab day!"There is lots of space to write your own personal message as well. Order your Vamps Age 11 Birthday card before 2pm Monday to Friday and receive delivery. Worldwide delivery is also available.