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Monarch
Want to really feel like a queen? Try the monarch (also known as a royal) train on for size. The organza ruffles on this one tumble more than nine glorious feet from the waist, making the tail of the world's proudest peacock seem lilliputian. Your guests will be craning their necks to take it all in.
Douglas Hannant "Monarch" gown (gabriellanewyork.com). Asprey "Daisy" earrings and "Daisy Heritage" bracelet.
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Cathedral
A few feet shorter than a monarch (but no less mesmerizing), the cathedral train on this curve-hugging gown pools exquisitely on the ground. In it, you'll be one tall drink of water -- the fancy, effervescent bridal variety, that is.
Modeca "Noa" gown (enzoani.com). H.Stern "Cobblestones" earrings. Simon G bracelet.
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Semi-Cathedral
This sophisticated lace gown is a good two feet shorter than its cathedral-length counterpart, but it's still long on charm. Genetically blessed with a slinky skirt of delicate French lace, it commands attention from every angle.
Christos "Lyla" gown (Amsale Flagship Salon, 212-583-1700). Stefano Grando "Infiniti" necklace in platinum (grandojewelry.com). Asprey bracelet.
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Chapel
The hallmark of this popular train? It falls just four feet from the waist, making it easy to maneuver. On this silky style -- with rippling sleeves, a modest boat neck, and a sheer, plunging back with beckoning buttons -- it's plenty sultry, too.
Angel Sanchez gown N006. Solange Azagury-Partridge "Nova" earrings.
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Floor Length
Tiers of organza, laser cut for a modern, lacy look, flutter from the hip to a ground-dusting hem on this high-volume head turner. If classic ball gowns are a smidge too traditional for your taste, you may have just met your match.
Reem Acra "Layers of Love" gown (212-308-8760). Paris by Debra Moreland organza flower (kleinfeldbridal.com). Daria de Koning earrings. Tacori "Diamond on the Moon" bracelet. Athan for Jewelry Unlimited ring in platinum (212-704-9954).
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Full Length
Hovering an inch above the floor, this strapless 1950s silhouette reveals just the tips of your shoes when standing. It's like something Grace Kelly would have stopped traffic in -- with a silvery brocade twist that feels right now.
Modern Trousseau "Reagan" ball gown. Jenny Packham "Anisette" headband (gabriellanewyork.com). Sethi Couture earrings and bracelet. Erica Courtney "Ellen" ring in platinum.
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Maxi
Landing gracefully at the ankle, this feminine frock takes the effortless appeal of eyelet to bold new lengths. Add a ribbon belt in soft blue to its crisp A-line shape and the look is downright heavenly.
Carolina Herrera "Harmony" gown. Verdura "Dome" ear clips. Simon G bracelet.
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Tea Length
This swingy, shin-skimming silk halter dress was made for the shoe-obsessed. If you can't possibly settle on just one pair, we fully endorse a few footwear changes.
Fancy New York "Cecile" dress. Blue Nile stud earrings. Verdura "Lace" ring. Mademoiselle Rose heels (bhldn.com).
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Midi
Consider this knee-covering lace sheath the ultimate cocktail companion: It's as chic and sleek as a flute of Champagne, with a sheer appliqued neckline that looks brilliant in the glow of candlelight.
Marchesa dress. Dior Fine Jewelry "Gourmande Pastel" earrings (800-929-3467). Christian Louboutin "Pigalle" pumps.
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Knee Length
The only thing this leg-baring silk-faille dress is missing is a groom donning a bow tie (and maybe an adorable dog to boot). To really go full-swoon, top your updo with a feathery birdcage veil.
Monique Lhuillier "Posey" dress. Jennifer Behr "Lilienne" headpiece. Daria de Koning earrings. Dana Rebecca Designs bracelets. Blue Nile bracelet.
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Mini
Though its flapper style is distinctly 1920s, you don't need dance skills to pull off this jazzy, thigh-high shift. Thanks to glitzy beading and swooshy, scalloped layers, it'll shake things up on its own.
Hitherto for Bhldn "Seraph Whim" dress. Sara Gabriel Veiling and Headpieces "Gladys" hat (gabriellanewyork.com). Oscar de la Renta "Ottavia" heels (saksfifthavenue.com).