What were Britain’s most eligible singles drinking at Tatler’s Little Black Book party?

There was Laurent-Perrier galore. Flutes of the good stuff greeted the great and the good as they made their way down the staircase at Tramp, waiters gliding between the crowds like skaters on ice.

Others sipped on Birra Morretti whilst Patrón Tequila was also on hand with palomas. Of course, if the booze didn’t take your fancy, you could always grab a non-alcoholic Pentire.

200 of Britain’s…