Be the Best Dressed Guest at a Fall Wedding\n6 ways to outshine the bride.\nFor a West Coast wedding: This Erdem sleeveless, floral dress would look effortlessly chic in Napa. \n\nErdem dress, $4,560, saksfifthavenue.com.\nFor a destination wedding: This Antonio Berardi cocktail dress is just the ticket for an international affair in, say, Florence, Italy. \n\nAntonio Berardi dress, $2,690, Avenue32.com.\nFor a beach wedding: Try this sassy powder blue jumpsuit by Emilia Wickstead—with flat sandals. \n\nEmilia Wickstead jumpsuit, $1,851, matchesfashion.com.\nFor a white tie wedding: Make a grand entrance in this Oscar de la Renta gown. \n\nOscar de la Renta dress, $10,990, modaoperandi.com.\nFor a black tie wedding: You don’t want to wear black, and you certainly don’t want to wear white. So opt for this burgundy Roland Mouret number. \n\nRoland Mouret gown, $4,950, netaporter.com.\nFor a casual wedding: This slip dress is delicate yet fun and festive. \n\nNina Ricci dress, $2,450, modaoperandi.com.