Tell me if this outfit is ok please

[WhereTheFuckIsMyFuckingCoat]

This is the first time I've started a thread in s&b. I'm going out tonight, in Australia to a cool little music venue with DH and another couple. It's been about 37 degrees today, and isn't due to drop any lower than 28, so I've decided on a denim playsuit and camel wedges, with a camel and black slouchy bag. Does it sound ok, and how would you accessorise it? (I'm 38 and a size10-12 - certainly not built like the model in the attached pic!) thank you, advice appreciated. :)