Am a bit desperate.
Just found out I've got to go to a wedding in the middle of September. The last time I went to a wedding was three years ago and I was eight months pregnant, so I don't have a current wedding outfit hanging around. I imagine people will still be wearing summery clothes in September, but the shops are full of wintery ones aren't they? Although I suppose some shops will still have sale rails...
So. I need help to find an outfit. And it gets worse: I'm a dumpy, apple-shaped size 18. Never wear dresses as I'm too big round the middle and look awful in them (especially wrap dresses, which usually get suggested to the generously proportioned). Legs are OK so can do tunics and leggings, and could do wide trousers and a nice top at a push.
Even worse, wedding is an extremely poncy trendy central London job, so I need to look a bit cool. Yes, I know that I am neither the size nor the shape to have any right to look cool, but there you go.
Budget is high street only, sadly.
Any ideas, oh wise and slightly intimidating style and beauty experts?