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Blue Sweetheart Neckline Dresses

Looking for the pretty blue sweetheart neckline dress for any formal event? Shop Promfy to find a variety of blue sweetheart neck dresses for proms & balls!

96 items
stunning beaded sweetheart mermaid satin formal dress
Stunning Beaded Sweetheart Mermaid Satin Formal Dress
$265 $238.5
classy light blue lace trumpet prom gown with overskirt
Classy Light-blue Lace Trumpet Prom Gown with Overskirt
(1 review)
$475 $427.5
Off the shoulder lace appliqued ice blue princess gown
Off-the Shoulder Lace Appliqued Ice Blue Princess Gown
(1 review)
$475 $427.5
sky blue lace high low short homecoming dress
Sky Blue Lace High-low Short Homecoming Dress
$159 $143.1
Navy blue satin simple strapless sweetheart high low prom dress
Navy Blue Satin Strapless High-low Prom Dress
(3 reviews)
$159 $143.1
royal blue strapless sweetheart mermaid prom dress
Royal Blue Strapless Sweetheart Mermaid Prom Dress
$189 $170.1
royal blue satin spaghetti straps split prom dress
Royal Blue Satin Spaghetti Straps Split Prom Dress
$189 $170.1
starry sky blue tulle tea length prom dance dress
Starry Sky Blue Tulle Tea Length Prom & Dance Dress
$265 $238.5
black and tiffany blue strapless sweetheart amazing short cocktail dress
Black and Tiffany Blue Amazing Short Cocktail Dress
$149 $134.1
Simple royal blue spandex strapless slim fit mermaid long prom formal dress
Royal Blue Spandex Slim Fit Mermaid Formal Dress
$179 $161.1
beaded draped aqua chiffon bridesmaid prom dress
Beaded Draped Aqua Chiffon Bridesmaid Prom Dress
$189 $170.1
flowy sheer tiffany blue double slits prom dress
Flowy Sheer Tiffany Blue Double Slits Prom Dress
$179 $161.1
Sparkly beaded ombre teal and turquoise tulle ball gown prom dress
Beaded Ombre Teal & Turquoise Ball Gown Prom Dress
$415 $373.5
white lace and sky blue two tone long formal dress
White Lace and Sky Blue Two-tone Long Formal Dress
$225 $202.5
ice blue sequin tulle strapless trumpet prom gown
Ice Blue Sequin Tulle Strapless Trumpet Prom Gown
$325 $292.5
Maria Menounos midnight blue strapless sweetheart mermaid celebrity formal dress
Midnight Blue Strapless Mermaid Long Formal Dress
$179 $161.1
sapphire blue lace off shoulder mermaid prom dress
Sapphire Blue Lace Off-shoulder Mermaid Prom Dress
$245 $220.5
Pinkblue sequin and tulle off the shoulder sweetheart princess ball gowns
Pink/blue Sequin Sweetheart Princess Ball Gowns
$245 $220.5
royal blue sparkly sequin gold lace mermaid prom dress
Royal Blue Sparkly Sequin & Gold Lace Mermaid Prom Dress
$520 $468
ocean blue puff sleeve corset tulle slit long prom gown
Ocean Blue Puff Sleeve Corset Tulle Slit Long Prom Gown
$325 $292.5
peacock blue and peach pink mixed bridesmaid dress
Peacock Blue and Peach Pink Mixed Bridesmaid Dress
$189 $170.1
beaded tassel off shoulder blue tulle satin peplum formal dress
Beaded Tassel Off Shoulder Blue Tulle Satin Formal Dress
$315 $283.5
beaded ombre blue ruffled tulle Quinceanera gown
Beaded Ombre Blue Ruffled Tulle Quinceañera Gown
$375 $337.5
Sparkly diamond crystals pool blue sweetheart basque waist engagement ball gown
Sparkly Pool Blue Basque Waist Engagement Ball Gown
$465 $418.5
ombre glitter silver to navy blue unique prom dress
Ombre Glitter Silver to Navy Blue Unique Prom Dress
$225 $202.5
sparkly diamond beaded strapless ruffled aqua organza quinceanera gown
Diamond Strapless Ruffled Aqua Quinceanera Gown
$680 $612
empire waist beaded straps peacock blue prom dress
Empire Waist Beaded Straps Peacock Blue Prom Dress
$265 $238.5
Beaded Halter Neck Belt Sky Blue Prom Formal Gown
Beaded Halter Neck & Belt Sky Blue Prom Formal Gown
$255 $229.5
Charming blue to white ombre chiffon bridesmaid dress sweetheart A line long gown
Cute Blue-to-white Ombre Chiffon Bridesmaid Dress
$179 $161.1
Aishwarya Rai Bachchan lace appliqued blue tulle off the shoulder sweetheart ball gown pageant dress
Lace Appliqued Blue Tulle Off-shoulder Ball Gown
$750 $675
Simple royal blue chiffon strapless empire waist A line long bridesmaid dress
Empire Waist Royal Blue Strapless Bridesmaid Dress
$169 $152.1
Royal blue cut out lace trendy 3D rose mermaid chapel train engagement prom dress
Royal Blue Cut Out 3D Rose Engagement Prom Dress
$265 $238.5
Strapless sweetheart navy blue satin simple Quinceanera ball gown
Strapless Sweetheart Navy Blue Satin Formal Ball Gown
$285 $256.5
vintage pale blue illusion lace tulle overlay cocktail gown
Vintage Pale Blue Illusion Lace Tulle Cocktail Gown
$159 $143.1
beads embellished cobalt blue tulle prom ball gown
Beads Embellished Cobalt Blue Tulle Prom Ball Gown
$385 $346.5
Navy Blue Sequin Long Sleeve Mermaid Dvening Dress
Navy Blue Sequin Long Sleeve Mermaid Dvening Dress
$245 $220.5
Blue sweetheart neck prom dresses give you a romantic and flattering shape that is perfect for your big night. This strapless look still gives you many choices including the gorgeous mermaid fishtail silhouette, traditional ball gown or A-line looks. Flirty and fun, the sweetheart neckline is known for being ultra girly. Shop Promfy to find a variety of blue sweetheart neck dresses for proms & balls! High quality and excellent service!

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