Would this be ok to wear to a wedding?

[applesandbears]

I am plus size and I never wear anything apart from jeans and trousers so I really have no idea.

Would this dress be ok? I'm planning to but exactly what the model is wearing and hopefully I will look half decent.

Ok, this New Look jobby looks plain enough, but you could jazz it up with a sparkly shrug like this....

I like TheCraicDealer 's New Look one - not keen on the shrug at all, but I think a very plain dress with nice accessories is a good idea.

Are you on a tight budget? If so ignore me. If not, this place has a huge range.

I really don't think it's either nice or likely to be flattering. Sorry.
Of all ideas posted I like the Asos curve print one mechanical posted much the best.
Easy to wear anargot could put a wide choice of accessories with it.
Arms covered which is a good thing specially in winter and certainly not too short - but will allow you to show off great opaques and shoes.

Some of those Navabi ones nice too if you are happy to spend that much.
On new look one don't think sleeveless black is really a good idea for a wedding.

how about one of these? (Here on a human) with a bet, wee shrug and flats?

bet = belt