1. The group also worked their way through six bottles of Belvedere vodka at 400 a bottle to mix with cans of Red Bull and tonic.

2. But while she may be accustomed to 200–a–bottle Belvedere vodka in London‘s flash clubs, she is more than happy to enjoy cheap student nights out – including the recent tea party thrown by girlfriends who have been comforting her. ‘It was a very simple affair with plenty of booze,‘ a pal revealed. ‘They were mixing cheap supermarket vodka with lime cordial and soda – nothing like the ridiculously expensive cocktails Chelsy drinks with Harry. ‘Chelsy was very jovial and didn‘t seem to mind the slightly jaded backdrop or the cheap plates and glasses.

3. Scroll down for more ... Staff at the Crystal club were told to keep the alcohol flowing Apart from some cheaper drinks, the revellers consumed: Three magnums of Dom Perignon 1''5 (2,700) Fifteen bottles of Dom Perignon 1''' (3,600) Six magnums of Dom Perignon (4,200) Twelve bottles of Dom Perignon Rose (4,200) Thirty–six bottles of Cristal (12,'60) Four bottles of Cristal Rose; (2,400) Two Jeroboams of Cristal (',600) One Methuselah of Cristal (30,000) It was 5am when the drinkers finally called it a night but not before deciding to round off the evening with a Methuselah – the equivalent of eight bottles – of Belvedere vodka, the brand apparently favoured by Prince Harry.