The right wedding-wear will take your guy from the aisle all the way to the after-party. From left: White wool shawl collared jacket, $1,025, by Moschino, moschino.com. Shirt, $225, by Robert Talbott, roberttalbott.com. Pants, $185, by John Varvatos Star USA, johnvarvatos.com. Gray silk bow tie and matching cummerbund, $370, by Ermenegildo Zegna, zegna.com. Shoes, $580, by Cesare Paciotti, 212-452-1222. Charcoal blue pinstripe suit, $1,895, by Polo by Ralph Lauren, ralphlauren.com. Shirt, $265, by Ralph Lauren Black Label, ralphlauren.com. Tie, $135, by Robert Talbott, roberttalbott.com. Shoes, $590, by Fratelli Rosetti. Wool jacket, $495; matching pants, $245; vest, $245; shirt, $185; tie, $98, all by John Varvatos Star USA, johnvarvatos.com. Shoes, $525, by Canali, canali.it. Navy velvet printed suit, price upon request; black silk shirt with scarf, price upon request, both by Roberto Cavalli, robertocavalli.com. Shoes, $175, by Kenneth Cole, kennethcole.com. All wedding bands by Natalie K Collection, nataliek.com.