For anyone who’d like guidance, the official “attire” is semiformal or “cocktail” attire. (The term “cocktail is slightly ironic, given that we’re not even serving cocktails at our wedding. But you get the gist.)
Truth is, we don’t really care what you wear, we’ll just be honored to have you there to celebrate with us.
That being said, extra points for anyone who wears a bowtie!
Peach and Paya's Wedding 