Registry Office Wedding Guest Dress Code. Planning a registry office wedding? While dress codes can provide guidance for each style, the definition of different dress codes has changed over time.

Key trends formal wedding guest attire:

When in doubt, always go dressier. When in doubt, always go dressier. Even if the wedding invite states casual or relaxed attire, you when you're the guest at a black tie wedding, you should be wearing a tuxedo and you should be amped about it. While light fabrics and bright or pastel colors translate better to daytime functions and warm weather seasons.