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Plunging Neckline Prom Dresses

Browse prom dresses featuring ultra-flattering plunging necklines atPromfy. 2026 trending plunging neckline | low V neck formal & informal dresses online.

395 items
sparkly pink sequin bling beading mermaid prom dress
Sparkly Pink Sequin Bling Beading Mermaid Prom Dress
(1 review)
$450 $405
red sequin feathers high split long mermaid prom dress
Red Sequin & Feathers High-split Long Train Prom Dress
$420 $378
Gorgeous yellow velvet long train mermaid African American prom dress
Yellow Velvet Mermaid African American Prom Dress
(3 reviews)
$345 $310.5
sparkly tiffany blue sequin beaded ruffled plunge prom dress
Tiffany Blue Sequin Beaded Ruffled Plunge Prom Dress
$365 $328.5
Iridescent pink blue sequin trumpet long train African American prom dress
Iridescent Pink & Blue Sequin Trumpet Prom Dress
(2 reviews)
$415 $373.5
plunging neck green abstract sequin mermaid prom dress
Plunging Neck Green Abstract Sequin Mermaid Prom Dress
$365 $328.5
Sexy scarlet lace scalloped plunging neckline mermaid long prom party dress
Sexy Scarlet Lace Plunging Neckline Long Prom Dress
$215 $193.5
Black lace and glossy fabric trumpet long train prom dress
Black Lace and Glossy Fabric Long Train Prom Dress
(1 review)
$285 $256.5
black sequin open back plunging V neck prom dress
Black Sequin Open Back Plunging V Neck Prom Dress
$195 $175.5
gold sequin one side off shoulder split prom dress
Gold Sequin One Side Off-shoulder Split Prom Dress
$225 $202.5
stunning iridescent sequin high split mermaid prom dress
Stunning Iridescent Sequin High-split Mermaid Prom Dress
(3 reviews)
$355 $319.5
dark red sequin velvet feather mermaid prom dress
Dark Red Sequin Velvet Feather Mermaid Prom Dress
(1 review)
$425 $382.5
glitter lurex silver lace appliqued mermaid prom dress
Glitter Lurex Silver Lace Appliqued Mermaid Prom Dress
$385 $346.5
sexy high slit black lace feather strap evening dress
Sexy High-slit Black Lace & Feather Strap Evening Dress
$265 $238.5
dazzling royal blue sequin lace mermaid occasion dress
Dazzling Royal Blue Sequin Lace Mermaid Occasion Dress
$365 $328.5
sexy low back emerald green satin mermaid evening dress
Sexy Low Back Emerald Green Satin Mermaid Evening Dress
$189 $170.1
plunging neck beading hot pink sequin mermaid prom gown
Plunging Neck Beading Hot Pink Sequin Mermaid Prom Gown
(1 review)
$385 $346.5
Luxury sexy beaded gray tulle plunging neckline split prom dress
Beaded Gray Tulle Plunging Neck Split Prom Dress
(3 reviews)
$285 $256.5
luxury red beading tiered split tulle prom dress
Luxury Red Beading Tiered Split Tulle Prom Dress
(1 review)
$425 $382.5
white lace violet purple spandex trumpet prom dress
White Lace Violet Purple Spandex Trumpet Prom Dress
$265 $238.5
unique orange sequin mermaid long train prom dress
Unique Orange Sequin Mermaid Long Train Prom Dress
(5 reviews)
$365 $328.5
emerald green glitter plunging neck prom ball gown
Emerald Green Glitter Plunging Neck Prom Ball Gown
$285 $256.5
Stunning sparkly diamond beading long evening prom dress
Sparkly Diamond & Beading Plunging Neck Halter Gown
$1150 $1035
sparkly bright yellow sequin mermaid sexy formal wear
Sparkly Bright Yellow Sequin Mermaid Sexy Formal Wear
$325 $292.5
sheer black tulle overlay double slit plunging neckline open back prom dress
Sheer Black Tulle Overlay Double-slit Prom Dress
$179 $161.1
Simply elegant red chiffon thigh high slit plunging V neckline prom dress
Simply Red Chiffon Thigh-high Slit Long Prom Dress
$179 $161.1
Sparkly shine purple glitter mermaid long train African American prom dress
Shiny Purple Glitter Mermaid Long Train Prom Dress
$275 $247.5
Sexy red lace mesh feather long train prom dress
Sexy Red Lace Mesh Feather Long Train Prom Dress
$375 $337.5
sexy silver mermaid african american feather prom gown
Silver See-through Mermaid African American Prom Gown
$365 $328.5
shimmering glitter dotted black long train prom dress
Shimmering Glitter Dotted Black Long Train Prom Dress
(1 review)
$295 $265.5
amazing purple ruffled train fairy birthday quince dress
Amazing Purple Ruffled Train Fairy Birthday Quince Dress
$650 $585
sparkly red sequin high low ruffled trumpet formal wear
Sparkly Red Sequin High-low Ruffled Trumpet Formal Wear
$415 $373.5
Sexy backless black sequin plunging neckline halter mermaid long train prom dress
Sexy Backless Black Sequin Mermaid Long Train Prom Dress
$275 $247.5
iridescent sequin baby pink and blue feather african american prom dress
Iridescent Sequin Baby Pink and Blue Feather Prom Dress
$465 $418.5
Emerald green spandex long sleeve mermaid African American prom dress
Emerald Green Long Sleeve Mermaid Prom Dress
$179 $161.1
sexy backless plunging v neck red sequin prom gown
Sexy Backless Plunging V Neck Red Sequin Prom Gown
$199 $179.1
Make a sexy statement at prom 2026, look no further than these plunging neckline prom dresses from Promfy. Be prom queen of the coming special occasion in one of these plunging neckline prom dresses. With body-hugging mermaid silhouettes and transparent lace bodices, these plunging neckline prom dresses will make you stunning as you step out onto the dance floor at your next prom, cocktail, or formal event.

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