Ahead, we’ve rounded up 24 statement-making fall wedding guest dresses that work for dipping temperatures (think: maxi lengths, long sleeves, and rich fabrics) and every kind of venue. Expect autumnal florals, sweet puff sleeves, and slinky satin picks.  Whether you need an elegant gown for a black-tie affair or are craving a trendy plus-size dress for a casual ceremony, your perfect look is just a click away.