It'll be fine, my stash of booze from last years Sonisphere is still alright!
Careful if you've got any sweeter liquers though - the bottle tops tend to get stuck on! 
Also I think I may have shared the same pain as you on Friday night. Drank 2 litres of Cosmopolitan plus shots of an undetermined nature


Also I think I may have shared the same pain as you on Friday night. Drank 2 litres of Cosmopolitan plus shots of an undetermined nature
