I'm a big fan of a formal tailcoat... for the groom anyway :)
Black Peak Full Dress Tailcoat | Tuxedos & Suits | MyTuxedoCatalog.com
Men's Vintage Victorian Formal Dress Tailcoat 3638 by DillyDandy, £135.00
"White tie, of course" by Janny Dangerous. Dapper, but I don't like the Dane's ears cut.
Its interesting to see how this chart can be viewed as outdate, although is fairly new.
Exploring the Dress Code: Formal Edition! Infographic
Suit up! From white tie to lounge, what does that suiting dress code mean?
Bally Sneakers Men Shoes