Kelsey Grammer's youngest children do not realise how famous their dad is.
The Cheers and Frasier legend says daughter Faith, 13, and sons Gabriel, 11 and eight year old James - whom he has with his wife, Kayte Walsh - get excited when they drive around Hollywood, Los Angeles, California, and come into contact with a tour bus, but they get soon left puzzled when Kelsey, 70, is recognised.
