13 Wedding Guest Dresses You'll Want to Wear on Repeat, Including Sydney Sweeney's

Reformation Kastoria Dress ($378)

It's hard to go wrong with a floral dress, especially for spring and summer weddings. At the same time, the concept can be expected, but fortunately this Reformation pick is anything but basic. With its full skirt and classy print, you'll feel instantly royal. It also comes with removeable straps in case you want a slightly different look.