Trending Cocktail Dresses For Weddings With Sleeves / Alas, dress codes seem to be the best option when guiding guests towards what to wear (could you imagine the chaos if there wasn't one?). Sleeves of all kinds are still going strong, including short and flouncy, fluttery, bell. Cocktail Dresses For Weddings With Sleeves : Long or short sleeves, we've found the frock for you.