Stop the press! - Shake Shack of New York City have opened for business in the heart of the West End. Their fancy-pants new Covent Garden location is ideal for hungry theatre goers, tourists and passers by as its right in the middle of the Piazza. I went along to the day-before-it-opened sneakpeek to see how the UK Shack fared against my stateside experience of NYC's most beloved burger establishment.