This year the event will be held at Christ Church Spitalfields, an 18th century baroque church designed by Nicholas Hawksmoor, and will be co-presented by drinks commentator Tom Sandham.
Five hundred of the world’s leading bar professionals will gather for the countdown from bars 50 to 1 and to honour the best bar is the business.
The ceremony, which is invitation only, runs from 19:00-23:00 and features cocktails and canapés.
The countdown is the culmination of a global survey of 350 of the world’s leading bar experts, The World’s 50 Best Bars Academy.
The World's 50 Best Bars 2014 is supported by sponsors: Nikka whisky, Asahi beer, Polignac Cognac and Botran rum.