Bride
Groom
Maid of Honor
Katie's Sister, Best Friend, and future Mrs. Robertson
Best Man
Best Friend, Mentor, Champion
Bridesmaid
Dear Friend, Confidant, Supporter Extraordinaire
Best Man
Best Friend, Pilot, Tiger Woods's Arch Nemesis
Bridesmaid
Dear Friend, Elite Hostess, Champion
Best Man
Best Friend, Secret Agent Man (additional accolades are classified)
Bridesmaid
Sister in Law, Emphasis on the "Sister"
Groomsman
Katie's Brother, Lizzie's Dad, Everyone's Favorite Forever DM
Bridesmaid
David's Little Sister, Designer Duchess, Generous Supporter
Groomsman
David's Brother in Law, Improv Scene Partner, Baby Ely's Dad
Bridesmaid
David's Big Sister, Outstanding Mom, Support Anchor
Groomsman
David's Brother in Law, Go To Game Partner
Junior Bridesmaid
David's Niece, Sweet and Empathetic Oldest Sister
Ring Bearer
David's Nephew, Excited and Fun-loving Boss
Junior Bridesmaid
David's Niece, Exuberant and Joyful Sweetheart
Ring Bearer
David's Nephew, 'Boingy' Enthusiast
Flower Girl
Katie's Niece, "Lizzie Bear", Cleverest Girl
Ring Security Supervisor
He's the one in charge.