Finding a wedding guest dress that you feel confident and comfortable in is no small feat. Add the complexities of dressing for summer—hello, wrinkly fabrics and visible sweat marks—and you've got yourself a full-blown shopping project for nuptial season. Ahead, we've rounded up the 24 best summer dresses for every type of wedding—from casual to cocktail—in a wide range of sizes, styles, and price points from Refinery29 reader-favorite retailers like Dôen and Free People to Zara and Old Navy. All that's left to do? Put on your dancing shoes and raise a glass to the happy couple.