Lovely stylish ladies, you helped me enormously last year with advice about how to minimise the impact of my facial palsy and neck scar - well, guess what? I need more advice from you - I have been invited to the Olivier Awards and after-dinner party and need a frock that will be suitable for mixing with celebs, wahey!! 
None of my posh frocks fits me any more, since I lost weight through being ill last year, so I need to get a new one. I am 5 ft 2 and a bit inches tall, size 8 with an hourglass figure and have brown/blonde hair in a chin length bob cut.
Any advice, oh wise and wonderful women of style?