I have had a surprise invitation to the evening wedding reception of one of DS's friend's parents.
It is to be a fairly small, low budget affair at the local community centre. Very nice people, but I've never seen her wear anything other than baggy tracksuit and t-shirt. (not sure any of that's relevant, but trying to paint a picture)
I've never been to a DIY wedding reception before, but my usual strategy when unsure what to wear is a black, jersey dress from Coast, which I got in the sale last year and has been a real bargain, as I've worn it loads. I think they described it as a cocktail dress, but I'd say it's a bit more casual than that. Lovely soft material, handkerchief sleeves to elbow, lowish scoop neck and full skirt. Does the fact that it's black rule it out for a wedding, even an evening only do?