Skip to content

Currency

Currency

SimplyDresses Logo

Long Formal Dresses and Formal Evening Gowns

Look and feel your best in a beautiful formal dress by Simply Dresses. Whether you want to be simply stunning or elegantly low-key, find the formal wear that’s just right for you in this collection of long evening gowns and formal dresses. 
Price
The highest price is $2,520.00 Reset
$
$
Length
0 selected Reset
Color
0 selected Reset
Size
0 selected Reset
Event
0 selected Reset
Style
0 selected Reset
Body
0 selected Reset
Brand
0 selected Reset
Sort by:
2233 items
Price

Price

Reset

The highest price is $2,520.00

$
$
Length

Length

Reset
Color

Color

Reset
Size

Size

Reset
Event

Event

Reset
Style

Style

Reset
Body

Body

Reset
Brand

Brand

Reset
  • Long Formal La Femme Dress 23962

    Sapphire Blue Long Formal La Femme Dress 23962
     Long Formal La Femme Dress 23962
    Regular price $39.00
    $39.00 Sale price Regular price $318.00
  • Long Formal La Femme Dress 23956

    Black Long Formal La Femme Dress 23956
     Long Formal La Femme Dress 23956
    Regular price $39.00
    $39.00 Sale price Regular price $298.00
  • Long Formal La Femme Dress 23950

    Garnet Long Formal La Femme Dress 23950
     Long Formal La Femme Dress 23950
    Regular price $39.00
    $39.00 Sale price Regular price $498.00
  • Long Formal La Femme Dress 23923

    Black/Emerald Long Formal La Femme Dress 23923
    Black/Emerald Long Formal La Femme Dress 23923
    Regular price $39.00
    $39.00 Sale price Regular price $538.00
  • Long Formal La Femme Dress 23655

    Navy Long Formal La Femme Dress 23655
     Long Formal La Femme Dress 23655
    Regular price $39.00
    $39.00 Sale price Regular price $298.00
  • Long Formal La Femme Dress 23586

    Neon Grapefruit Long Formal La Femme Dress 23586
     Long Formal La Femme Dress 23586
    Regular price $39.00
    $39.00 Sale price Regular price $438.00
  • Long Formal La Femme Dress 22729

    Hot Coral Long Formal La Femme Dress 22729
     Long Formal La Femme Dress 22729
    Regular price $39.00
    $39.00 Sale price Regular price $298.00
  • Long Formal La Femme Dress 22503

    Hot Coral Long Formal La Femme Dress 22503
     Long Formal La Femme Dress 22503
    Regular price $39.00
    $39.00 Sale price Regular price $438.00
  • Long Formal La Femme Dress 22230

    Crimson Long Formal La Femme Dress 22230
    Ice Purple Long Formal La Femme Dress 22230
    Regular price $39.00
    $39.00 Sale price Regular price $358.00
  • Long Formal La Femme Dress 22115

    Wisteria Long Formal La Femme Dress 22115
     Long Formal La Femme Dress 22115
    Regular price $39.00
    $39.00 Sale price Regular price $398.00
  • Long Formal La Femme Dress 22068

    Black Long Formal La Femme Dress 22068
     Long Formal La Femme Dress 22068
    Regular price $39.00
    $39.00 Sale price Regular price $318.00
  • Long Formal La Femme Dress 21374

    Pale Pink Long Formal La Femme Dress 21374
     Long Formal La Femme Dress 21374
    Regular price $39.00
    $39.00 Sale price Regular price $378.00
  • Long Formal La Femme Dress 21357

    Peacock Long Formal La Femme Dress 21357
     Long Formal La Femme Dress 21357
    Regular price $39.00
    $39.00 Sale price Regular price $398.00
  • Long Formal La Femme Dress 21289

    Blue Violet Long Formal La Femme Dress 21289
     Long Formal La Femme Dress 21289
    Regular price $39.00
    $39.00 Sale price Regular price $438.00
  • Long Formal La Femme Dress 21237

    Pale Purple Long Formal La Femme Dress 21237
     Long Formal La Femme Dress 21237
    Regular price $39.00
    $39.00 Sale price Regular price $398.00
  • Long Formal La Femme Dress 21214

    Apricot Long Formal La Femme Dress 21214
    Marine Blue Long Formal La Femme Dress 21214
    Regular price $39.00
    $39.00 Sale price Regular price $438.00
  • Long Formal La Femme Dress 21193

    Forest Green Long Formal La Femme Dress 21193
     Long Formal La Femme Dress 21193
    Regular price $49.00
    $49.00 Sale price Regular price $318.00
  • Long Formal La Femme Dress 21184

    Navy Long Formal La Femme Dress 21184
     Long Formal La Femme Dress 21184
    Regular price $49.00
    $49.00 Sale price Regular price $250.00
  • Long Formal La Femme Dress 24013

    Fuchsia Long Formal La Femme Dress 24013
     Long Formal La Femme Dress 24013
    Regular price $39.00
    $39.00 Sale price Regular price $438.00
  • Long Formal La Femme Dress 16802

    Coral Long Formal La Femme Dress 16802
     Long Formal La Femme Dress 16802
    Regular price $49.00
    $49.00 Sale price Regular price $350.00
  • Long Formal La Femme Dress 14660

     Long Formal La Femme Dress 14660
     Long Formal La Femme Dress 14660
    Regular price $39.00
    $39.00 Sale price Regular price $162.00
  • Long Formal La Femme Dress 27637

    Black Long Formal La Femme Dress 27637
     Long Formal La Femme Dress 27637
    Regular price $39.00
    $39.00 Sale price Regular price $350.00
  • Long Formal La Femme Dress 21293

    Deep Pink Long Formal La Femme Dress 21293
     Long Formal La Femme Dress 21293
    Regular price $39.00
    $39.00 Sale price Regular price $299.00
  • Long Formal La Femme Dress 21256

    Pink Grapefruit Long Formal La Femme Dress 21256
     Long Formal La Femme Dress 21256
    Regular price $39.00
    $39.00 Sale price Regular price $299.00

If your style of formal wear includes a refined and understated look, browse classic cap-sleeve lace dresses and princess-cut v-neck jersey dresses. Prefer a bold and dramatic vibe for your formal prom dress or long evening gown? Try an open-back formal gown in a vibrant, rich jewel tone. Either way, Simply Dresses aims to please with this versatile assortment of formal dresses. Looking for a formal dress that is short? Shop Simply Dresses' collection of short formal dresses here.

When Should I Wear a Formal Dress?

Wear a formal dress that shows off your personal style for any special event that has a formal attire dress code. Browse these evening gowns to find a variety of long formal dress styles in many colors that are captivating, as well as sophisticated, for formal events such as:

- Black-tie or formal weddings
- Charity events
- Dinner parties
- Galas
- Holiday parties
- Military balls
- Pageants
- Prom

Chic high-low evening dresses and glamorous off-the-shoulder formal dresses are perfect for dress-to-impress events. Gleaming satin formal gowns or flowing long chiffon formal dresses are lovely for black-tie occasions. A-line formal dresses and fitted long lace dresses with a dash of beading are beautiful for country club venues or destination beach weddings. In this collection of evening gowns, find captivating formal dresses that will reflect your personality for every elegant occasion on your social calendar.

Whether your style says “classic sophistication” or “relaxed and trendy,” here you can choose from gorgeous formal prom dresses and elegant evening gowns in a wide variety of colors, styles, and fabrics. From flattering a-line formal dresses and empire-waist dresses to flowing chiffon evening dresses and long mermaid gowns, find a glamorous evening dress that fits your figure as well as your style. In rich jewel tones, soft pastels, or warm neutral hues, the evening dresses in this selection are sure to offer just the right shade to suit you and the formality of your event.

To combine comfort and style at your next black-tie event, choose from these evening dresses and formal dresses with cap sleeves, short sleeves, or long sleeves that provide chic coverage. Three-quarter-length bell sleeves, flutter sleeves, and elbow-length sleeves add a touch of vintage elegance to an evening dress. There are long evening gowns and formal dresses with exquisite sheer panels or feminine ruffled flounces that flatter and showcase your unique style.

Love to shine in your formal wear, but glitz and flash aren’t your style? Browse the one-shoulder evening dresses and formal gowns with a dash of glitter or a sprinkling of sequins for just a hint of subtle sparkle. Feeling confident? Spice up your formal evening look with a dress that has cut outs or an open back. Choose your next long evening gown from this assortment at Simply Dresses to look and feel fabulous while highlighting your style with natural, understated beauty or all-out glamour.

Your cart is empty