Formal Dresses

 Popular Trends in Long Formal Dresses

In recent years, long formal dresses have evolved, with unique designs and styles becoming increasingly popular. Off-shoulder pieces, one-shoulder silhouettes, and high-slit designs are all the rage. These elements can transform a traditional formal dress into a contemporary masterpiece. When picking a formal dress for wedding guests, don’t shy away from experimenting with these modern trends.

A long formal dress is a timeless addition to any wardrobe. Whether you choose a classic, elegant gown or a trendy, modern style, understanding how to navigate the world of formal wear will ensure you’re always dressed to impress. When it comes to selecting a formal dress for wedding guests or any formal occasion, remember to consider the style, fabric, and overall theme of the event. With the right long formal dress, you’re sure to make a lasting impression.

By keeping these aspects in mind, you can confidently navigate your next formal engagement and surely be the belle of the ball.
348 Items
Best selling
Sexy Short V-neck Red Lace Prom Dresses Cheap Party Dress - MyChicDress
Sexy Short V-neck Red Lace Prom Dresses Cheap Party Dress MyChicDress
Sexy Short V-neck Red Lace Prom Dresses Cheap Party Dress
$149.00
Sexy Mermaid Tulle Long-Sleeves Black Prom Dresses - MyChicDress
Sexy Mermaid Tulle Long-Sleeves Black Prom Dresses
$179.00
2025 High-Neck Mermaid Long Pink Prom Dresses - MyChicDress
2025 High-Neck Mermaid Long Pink Prom Dresses
$189.00
Halter Dark Green Prom Dresses Long Mermaid Evening Gown With Slit
Green evening gown
Halter Dark Green Prom Dresses Long Mermaid Evening Gown With Slit
$148.00
Purple evening gown Sleeveless Long Formal Dress for Wedding Guests Off the Shoulder
Purple evening gown Sleeveless Long Formal Dress for Wedding Guests Off the Shoulder
+ 4 Sleeveless Long Formal Dress for Wedding Guests Off the Shoulder
$139.00
Green strapless evening gown
New Long Prom Dress Green Strapless Lace Sweetheart with Slit
New Long 2026 Prom Dress Green Strapless Lace Sweetheart with Slit
$169.00
Purple evening gown Lavender Pearls Sheer Prom Dresses Strapless Ruffled Tulle Formal Wear
Lavender beaded gown Purple evening gown Lavender Pearls Sheer Prom Dresses Strapless Ruffled Tulle Formal Wear
Lavender Pearls Sheer Prom Dresses 2026 Strapless Ruffled Tulle Formal Wear
$199.00
Green evening gown Off-the-Shoulder Corset Emerald Prom Dress Long Beaded Slit
Off-the-Shoulder Corset Dark Green Prom Dress Long Beaded Slit
Off-the-Shoulder Corset Dark Green Prom Dress Long Beaded Slit
$199.00
Green evening gown Long Sage Formal Dress Corset Satin Prom Dress Scoop Neck with Slit
Long Sage Formal Dress Corset Satin Prom Dress Scoop Neck with Slit
Long Sage Formal Dress Corset Satin Prom Dress Scoop Neck with Slit
$179.00
A-line Light Blue Lace Prom Dress Tiered V Neck With Ruffles Sleeveless
A-line Light Blue Lace Prom Dress Tiered V Neck With Ruffles Sleeveless
A-line Light Blue Lace Prom Dress Tiered V Neck With Ruffles Sleeveless
$189.00
Gold sequin evening gown Sparkly Long Prom Dress Mermaid with Slit
Gold sequin evening gown Sparkly Long Prom Dress Mermaid with Slit
Sparkly Long Gold Prom Dress Sequin Mermaid with Slit
$159.00
New Orange Evening Dress Sequin Mermaid Prom Dress Spaghetti Straps
New Orange Evening Dress Sequin Mermaid Prom Dress Spaghetti Straps
New Orange Evening Dress Sequin Mermaid Prom Dress Spaghetti Straps
$209.00
New Evening Gown Sequin Pink Prom Dresses Sleeveless With Split
New Evening Gown Sequin Pink Prom Dresses Sleeveless With Split
New Evening Gown Sequin Pink Prom Dresses Sleeveless With Split
$209.00
Custom made Strapless Burgundy Velvet Evening Gown Pearls Mychicdress
Custom made Strapless Burgundy Velvet Evening Gown Pearls Mychicdress
Custom made Strapless Burgundy Velvet Evening Gown Pearls
$299.00
Long Royal Blue Formal Dress Satin Off the Shoulder with Beaded Neck
Long black Formal Dress Satin Off the Shoulder with Beaded Neck
Long Royal Blue Formal Dress Satin Off the Shoulder with Beaded Neck
$199.00
Light Pink Ruffle Evening Dress Chiffon Tiered Wedding Guest Dresses
Light Pink Ruffle Evening Dress Chiffon Tiered Wedding Guest Dresses
Light Pink Ruffle Evening Dress Chiffon Tiered Wedding Guest Dresses
$149.00
Long Royal Blue Prom Dress Mermaid Evening Gown with Beaded Appliques
Long Royal Blue Prom Dress Mermaid Evening Gown with Beaded Appliques
Long Royal Blue Prom Dress Mermaid Spaghetti Straps with Beaded Appliques
$199.00
Mermaid Long Sequin Teal Blue Prom Dress with Keyhole Straps Slit Mychicdress
Mermaid Long Sequin Hunter Green Prom Dress with Keyhole Straps Slit Mychicdress
Mermaid Long Sequin Teal Prom Dress with Keyhole Straps Slit
$158.00
Long Silk Satin Mermaid Lace Beaded Prom Dresses for Women
Long Silk Satin Mermaid Lace Beaded Prom Dresses for Women
+ 3 Long Silk Satin Mermaid Lace Beaded Prom Dresses for Women
$229.00
Mermaid Royal Blue Velvet Formal Dress for Winter Wedding Mychicdress
Mermaid Royal Blue Velvet Formal Dress for Winter Wedding Mychicdress
Mermaid Royal Blue Velvet Formal Dress for Winter Wedding
$179.00
Black Girls Red Prom Dresses Luxury Silver Diamond Crystals Mermaid Mychicdress
Black Girls Red Prom Dresses Luxury Silver Diamond Crystals Mermaid Mychicdress
Black Girls Red Prom Dresses Luxury Silver Diamond Crystals Mermaid
$289.00
African Black Girl Prom Gala Dresses Mermaid with Diamond Beaded Mychicdress
African Black Girl Prom Gala Dresses Mermaid with Diamond Beaded Mychicdress
African Black Girl Prom Gala Dresses Mermaid with Diamond Beaded
$289.00
Sparkly Pink Prom Dresses Luxury Diamond for Black Girls Mychicdress
Sparkly Pink Prom Dresses Luxury Diamond for Black Girls Mychicdress
Sparkly Pink Prom Dresses Luxury Diamond for Black Girls
$299.00
Luxury Black Girl Prom Dress Royal Blue Sparkly Gowns Mermaid Mychicdress
Luxury Black Girl Prom Dress Royal Blue Sparkly Gowns Mermaid Mychicdress
Luxury Black Girl Prom Dress Royal Blue Sparkly Formal Gowns Mermaid
$289.00
Custom Made Floral Prom Dresses A-Line Sweetheart
Custom Made Floral Prom Dresses A-Line Sweetheart Mychicdress
Custom Made Pink Jacquard Prom Dresses A-Line Sweetheart
$179.00
Strapless Blue Floral Print Prom Dress Chiffon Long with Ruffle Skirt Mychicdress
Strapless Blue Floral Print Prom Dress Chiffon Long with Ruffle Skirt Mychicdress
Strapless Floral Print Prom Dress US Chiffon Long with Ruffle Skirt
$229.00
A red corset evening dress with an off-the-shoulder neckline and ruched mermaid silhouette
Corset formal dress an off-the-shoulder neckline and ruched mermaid silhouette
Red Corset Evening Dress UK Off the Shoulder Ruched Mermaid
$159.00
Mermaid Burgundy Satin Formal Dress for Wedding Guests UK
Mermaid Burgundy Satin Formal Dress for Wedding Guests UK Mychicdress
Mermaid Burgundy Satin Formal Dress for Wedding Guests UK
$149.00
Lace Long Sleeves Formal Dress Red Satin Mermaid Evening Gown UK Mychicdress
Lace Long Sleeves Formal Dress Red Satin Mermaid Evening Gown UK Mychicdress
Long Sleeves Formal Dress Red Satin Mermaid Evening Gown UK
$159.00
Long Sage Green Formal Dress Mermaid Lace Beaded with Slit Mychicdress
Long Sage Green Formal Dress Mermaid Lace Beaded with Slit Mychicdress
Long Sage Green Formal Dress Mermaid Lace Beaded with Slit
$189.00
A-Line Green Floral Formal Dress for Wedding Guests Tulle Sweetheart
A-Line Green Floral Formal Dress for Wedding Guests Tulle Sweetheart
A-Line Green Floral Formal Dress for Wedding Guests Tulle Sweetheart
$169.00
Halter Red Formal Guest Dress Fitted Satin Party Dress with Slit
Halter Red Formal Guest Dress Fitted Satin Party Dress with Slit
Halter Red Formal Guest Dress Fitted Satin Party Dress with Slit
$139.00
Custom made Green Halter Lace Prom Dress Mermaid V-Neck Mychicdress
Custom made black Halter Lace Prom Dress Mychicdress
Custom made Green Halter Lace Prom Dress Mermaid V-Neck
$169.00
Light Blue Floral Prom Dress Corset Lace A-Line Formal Gown Sweetheart
Light Blue Floral Prom Dress Corset Lace A-Line Formal Gown Sweetheart
Light Blue Floral Prom Dress Corset Lace A-Line Formal Gown Sweetheart
$179.00
Custom Made Red Senior Prom Dresses Layered Off Shoulder Long Formal Wear
Custom Made Red Senior Prom Dresses Layered Off Shoulder Long Formal Wear
+ 3 Custom Made Red Senior Prom Dresses Layered Off Shoulder Long Formal Wear
$289.00
Emerald Green A-Line Prom Dress Strapless Lace-Up Back
Emerald Green A-Line Prom Dress Strapless Lace-Up Back
Emerald Green A-Line Prom Dress Strapless Lace-Up Back
$169.00
Cheap Green Lace Mermaid Formal Dresses
Cheap Green Lace Mermaid Formal Dresses
Cheap Green Lace Mermaid Formal Dresses
$169.00
Hot Sale Lace Appliques V Neck Prom Dress Satin Double Straps
Hot Sale Lace Appliques V Neck Prom Dress Satin Double Straps
Hot Sale Lace Appliques V Neck Prom Dress Satin Double Straps
$179.00
Black Lace Prom Dress Appliques Long Sequin Formal Dress Mermaid
Black Lace Prom Dress Appliques Long Sequin Formal Dress Mermaid
Black Lace Prom Dress Appliques Long Sequin Formal Dress Mermaid
$189.00
Red Long Prom Dress Sequined Off-the-Shoulder Mermaid Evening Gown Mychicdress
Red Long Prom Dress Sequined Mermaid Evening Gown Mychicdress
Red Long Prom Dress Sequined Off-the-Shoulder Mermaid Evening Gown with Slit
$159.00