I am going to a dinner next month - work-related, relatively formal but will not be black tie or require full length gown etc. So I want to get an 'eveningy' dress, but bloody hell I look really frumpy in everything. Plus I have no taste. 
I have found this dress, which I rather like (I love orange, and it suits me - I think) and was thinking of dressing it up with a statement necklace. There are lots I like on Banana Republic but I don't think I have found quite the right one yet.
So, can I wear this dress with heels (oh yeah, I'd need to buy those too...) and a big necklace, or will I look hopeless and fugly and an idiot? Please be kind...