Amy Lynn, 81.75, selfridges.com Black Diamante Bow Halter Neck Top, 46, riverisland.com and Black Mesh Tulle Layered Maxi Skirt, 45, riverisland.com Sequin High Neck Dress, 79, jigsaw-online.com Gathered Silk-Blend Velvet Midi Dress, 135, cos.com Velvet Midi Dress With Draped Detail, 29.99, zara.com Self-Portrait, Champagne Rhinestone Mesh Midi, rent from 63.93, hurrcollective.com Dress with decorative rose detail, 99.99, reserved.com The Vampires Wife, Poison Flower Dress, rent from 80, byrotation.com Red Satin Bow Front Milda Dress, 150, nobodyschild.com Lyocel midi-dress, 55.99, mango.com Nord Jacquard Bow Dress, 135, sisterjane.com Bow-front satin mini dress, 69.99, hm.com Sequin dress with puff sleeves, 119.99, reserved.com Caterina dress, 150, ratandboa.com Lace & Beads Maxi Dress, 100, johnlewis.com Premium Holographic Sequin Slash Neck Mini Dress, 49.50, warehousefashion.com Bow Detail Round Neck Mini Shift Dress, 59, marksandspencer.com Jenny Packham, Bright Gem embellished tulle gown, rent from 90, byrotation.com Sequin Bandeau Woven Midi Dress, 48, karenmillen.com Semi-transparent disc dress, 119.99, mango.com MORE ABOUT

So for Canadian Tuxes either go for a perfect match or defined color contrast
This is a pretty good wedding guest attire cheat sheet for US weddings
The 12 Key Wedding Dress Necklines Your wedding dress neckline is a serious consideration