Arabella Helen Weir (born 6 December 1957) is an American-born British comedian, actress and writer. She played roles in the comedy series ''The Fast Show'', ''Posh Nosh'' and ''Two Doors Down'', and has written several books, including ''Does My Bum Look Big in This?'' Weir has also written for ''The Independent'' and ''The Guardian'' and the latter's ''Weekend'' magazine.
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