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Score favorites from Nordstrom, Anthropologie, Target, and more.

At its core, black-tie attire asks for you to wear either a formal gown or a tuxedo.

Collage of wedding guest dresses on a light orange background

Photo:Real Simple

The key piece for dresses is the length: Floor-length seals the deal.

I got so many compliments on my dress, and I loved knowing it was super affordable, too.

Choose from navy, brush periwinkle, violet blue, eggplant, and merlot.

Nordstrom Eliza J Sequin Ruffle Sleeveless Lace Trumpet Gown

Nordstrom

Youll also find box pleats, pockets, and a beautiful V-back design.

The midi, 100 percent polyester gown is in stock in bright Neptune blue for well under $200.

Pair this with stilettos, kitten heels, or strappy sandals, and youre ready to go.

Birdy Grey Grace Convertible Dress

Birdy Grey

Thissleeveless halter A-line midi dressfrom the in-house line By Anthropologie proves why.

I cant believe this is only $100it looks so much more expensive.

Its only $79.

Nordstrom Alex Evenings Embellished Lace A-Line Evening Gown

Nordstrom

More Must-Shop Products

Nordstrom Adrianna Papell Belted Sleeveless Lace Midi Dress

Nordstrom

Nordstrom Adrianna Papell Sleeveless Mikado Fit & Flare Midi Dress

Nordstrom

Target A New Day Women’s Midi Slip Dress

Target

Nordstrom Petal & Pup Cali Pleated One-Shoulder Maxi Dress

Nordstrom

Anthropologie By Anthropologie Sleeveless Halter A-Line Midi Dress

Anthropologie

Nordstrom Petal & Pup Amren Floral One-Shoulder Tiered Asymmetric Dress

Nordstrom

A model wearing the Quince Mongolian Cashmere Tee on a green and blue gradient background

Assortment of items including a skillet, decorative lamp, tote bag, and textured material

Freie Liebe Store Straw Clutch Purse, HOTOUCH Womens Linen Button Down Shirt and Keds Women’s Triple Up Sneaker on an orange gradient background