RSVP? Accepted. Now what?

I have a wedding coming up and somehow ended up 47 tabs deep trying to find the perfect guest dress. If you’ve found yourself in the same situation, this list is for you. After hours (okay, days) of scrolling, saving, and side-eyeing shipping times, I’ve pulled together the ultimate roundup of websites where you can find the perfect look—no matter what kind of wedding you’re attending.