David Walliams gushes over fatherhood: ‘Being a dad is the best part of my life’

Britain's Got Talent judge David Walliams channels Sandy from Grease in hilarious skit

David Walliams transforms into Grease's Sandy as the BGT judges take on iconic film

David Walliams rips open his shirt as he joins dancing granny, 77, on stage during BGT audition