We're heading towards one of the busiest weekends for weddings, and if you're stressing about what to wear to that late-Summer celebration, we're here to help! ASOS has a whole host of stunning dresses on offer, and with the exception of a few extraspecial premium designs, most come in at well under £100. Thanks to the speedy delivery options and easy returns policy, there's still time to place your order and try on your buys before you hit the church (and the dance floor). So whether you're looking for a pretty prom dress or something a little more slinky, shop these 23 dresses that'll make you the best-dressed guest. Not so fond of frocks? We can help you there as well.