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23 February 2011, 14:30
A plaque has been unveiled outside a theatre in the West End to mark Les Miserables as officially the longest running musical in the world.
It's on at the Queen's Theatre on Shaftesbury Avenue.
We've also been told that Matt Lucas will begin his stint in the show in June.
He'll play Thénardier from 23 June until 10 September 2011.