The pair sang four songs together last night on an emotional evening for the cherished venue. The owners of the building want to turn it into a boutique hotel.
Mitch has just released his debut album A Rush Of Love. He said: "Following all the greats that have played here is just humbling and I was determined to do it justice."
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Duchess of Cambridge is pretty in pink at her first Buckingham Palace garden party
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News pictures of the day
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The Glamour Awards - stars turn on the style
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Horror on the 5.53! Commuter dragged 200 feet after getting hand trapped on train
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Chelsea have the League’s highest wage bill for eighth year in a row
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Locked up and banned: The Tube drunk whose vile racist rant was caught on film (video)
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British housewife facing FIRING SQUAD over Bali drugs smuggling charge was 'neighbour from hell' -
London 2012 Olympics: Raising the bar and the Games haven't even started yet. Price of toasting Team GB is £6 a pint! -
Timebomb ticking in Thames Estuary could put Boris Island plans in jeopardy -
Video: Intruder bursts into Leveson Inquiry to brand Tony Blair a war criminal
Family pay tribute to the London man who gave his life to save a five-year-old girl from drowning 
Eton schoolboys fly Games flag on Everest 
Shrimpy's - review 
London Fields forever: street style from the hippest park 
The O2
Check out the cool stuff happening under our tent such as the hottest gigs, comedy, sport, films, clubs, bars, restaurants and much more.
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Playing a game-changing role during the Games
Cisco is providing the solutions for London 2012's complex IT needs.
Win a Silverstone track day with Zantac 75
Feel the burn of a different kind - 20 Silverstone motoring experiences to be won
Celebrate with MARTINI®
This weekend toast one royal with another and make your Jubilee sparkle with a MARTINI Royale.
Victoria Coren
Summer party
Diamond Jubilee
Glamour Awards
Garden party
First review
Fair-weather goths
Dog save the Queen
A better ex than husband
Best of the Baftas
