David has tweeted a picture straight from the set of Billionaire Boy.
Did you catch David as Mrs Trafe on the BBC adaptation of Billionaire Boy?
WATCH: David explains why his auntie is not awful
WATCH: David reads an extract from Awful Auntie
WATCH: David Walliams reads an extract from Grandpa's Great Escape
WATCH: The Mr Stink Trailer as shown on BBC. Brought to life by Hugh Bonneville, Sheridan Smith and Johnny Vegas