In between casually stalking 'Blamy' (Blake Wood and Amy Winehouse), avoiding burly bodyguards and shoving Jelly Belly into my gob, I watched Esser perform and heard Mystery Jets DJ.
Sight of the night? Coming out of the loo and catching Amy stumbling around rich mum's favourite flowery concession, Cath Kidston. Incredible.
The Ray-Ban exhibition runs in Selfridges' Ultralounge from now until the 22nd March.