Wedding Guest Dress Guide: What to Wear When the Invite Says Black Tie Optional?

Black-Tie-Optional Dresses for Wedding Guests

That wedding invitation just arrived, and there it is at the bottom: "Black Tie Optional." Before you spiral into a closet crisis, let's decode this dress code that somehow manages to be both formal and flexible. Whether you're attending your college roommate's cathedral ceremony or your cousin's country club reception, I'll help you navigate the sometimes-tricky waters of black tie optional attire.

In this article:

  • What is Black Tie Optional, Exactly?

What is Black Tie Optional, Exactly?

Think of black tie optional as black tie's more relaxed cousin. While it maintains an air of formality, it gives guests some breathing room in their choices. The hosts are essentially saying, "We're dressing up and would love for you to do the same, but we won't side-eye you if you don't go full black tie."

For the gentlemen in your life, this means either a tuxedo or a dark formal suit is perfectly acceptable. But we're here to talk about what this means for the ladies – and trust me, you've got some gorgeous options to work with.

What Does Black-Tie Optional Mean for Women?

Length Matters (But Not As Much As You Think)

While floor-length gowns are traditional for black tie weddings, black tie optional opens up the possibility of tea-length and even cocktail dresses. The key is the overall sophistication of the look. A beautifully crafted cocktail dress in luxe fabric can be just as appropriate as a simple full-length gown.

Colors and Fabrics to Consider

  • Black is always elegant and never goes out of style
  • Rich jewel tones like emerald, navy, burgundy and sapphire make a sophisticated statement
  • Metallics and sequins are perfectly appropriate (just don't outshine the bride)
  • Fabric choice elevates your look: velvet, silk, crepe, and chiffon are all excellent options. Avoid anything too casual like cotton jersey or linen.

Black Tie Optional Dresses for Wedding Guests

Let's explore some stunning options that hit the sweet spot between formal and flexible. I've curated these selections based on style, versatility, and that all-important "wow" factor.

1. Lulus Black Knotted Mermaid Maxi Dress

This classic black stretch-knit dress strikes the perfect balance between simple and sophisticated. The slim silhouette features a subtle crew neckline and an elegant open back. It's the kind of dress that lets you shine without trying too hard.

Black Knotted Mermaid Maxi Dress

2. Lipsy Teal One Shoulder Bow Maxi Dress

When you want to turn heads for all the right reasons, this one-shoulder creation delivers. The draped bow creates beautiful movement, while the rich emerald shade photographs beautifully. The side slit adds just enough drama without being over-the-top.

Lipsy Teal One Shoulder Bow Maxi Dress

3. Phase Eight Bethany Floral Midi Dress

Don't let anyone tell you cocktail length can't be black tie optional appropriate. This structured midi dress in navy and blush pink floral design features architectural details that elevate it beyond standard cocktail attire. 

bethany floral midi dress

4. Petalandpup Halter Maxi Dress in Pink Floral

Pink floral makes this maxi gown a romantic dream. The backless detail gives way to a floating skirt that moves beautifully on the dance floor. It's formal enough for black tie optional but soft enough to wear to other special occasions.

Mila Halterneck Maxi Dress - Pink Floral

5. Ever-Pretty UK Long Sleeve Dusty Blue Maxi with Slit

This dusty blue maxi dress can hold its own at formal affairs. The intricate embroidered long sleeve detail create a look that's both modern and timelessly elegant.

Ever Pretty Long Sleeve Maxi Dress

6. Macduggal Blue Cowl Back Sequined Gown

When you want to embrace glamour, this blue sequined gown delivers. The front appears classic and reserved, but the cowl back adds unexpected drama. It's perfect for winter weddings or evening affairs.

Blue Cowl Back Boat Neck Sequined Evening Gown

7. Johnlewis Nova Tie Back Chocolate Dress

For the woman who prefers understated elegance, this tie back slip gown in chocolate proves that simple can be stunning. The liquid-like drape of the fabric provides all the drama you need.

Nova Tie Back Dress

8. Meshki Slinky And Mesh Off Shoulder Maxi Dress

This black mesh gown with off shoulder proves that sometimes the simplest choice makes the biggest impact. The fitted bodice and subtle allure create a silhouette that's both modern and timeless.

Meshki Slinky And Mesh Off Shoulder Maxi Dress

9. Next Velvet Scarlett & Jo Burgundy Maxi Gown

Perfect for fall or winter weddings, this deep red velvet wrap dress hits all the right notes. The floor-length silhouette and wrapping detail create a flattering line while the fabric adds rich texture.

Scarlett & Jo Burgundy Red Verity Velvet Maxi Gown

10. Adriannapapell Ruffled Jumpsuit in Dark Navy

For the fashion-conscious guest, this jumpsuit s in dark navy makes a bold statement. The sculptural draping and asymmetric hem create visual interest while maintaining appropriate formality.

Adriannapapell Ruffled Jumpsuit in Dark Navy
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