Timothée Chalamet has been pictured by a fan in Oxford today. 

Grace Tanner, 23, from Oxford, snapped him in the long purple coat and big hat - dressed up as Wonka. 

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The new Willy Wonka film will focus on a young Willy Wonka before he opened his famous chocolate factory, chronicling one of his earliest adventures and how he met the Oompa-Loompas.

Wonka is directed by Paul King, who also directed the Paddington films, and was written by Horrible Histories star Simon Farnaby.

Oxford Mail: