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25 Chic Maternity Cocktail Dresses for Your Next Party

Does the dress code read cocktail attire? These maternity party dresses fit the bill.
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profile picture of Christin Perry
Updated April 25, 2023
Best Maternity Cocktail Dresses
Image: HATCH Collection
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Now that you’re pregnant, you’re probably focused on all things baby! But chances are, your social calendar hasn’t stopped filling up with events. If you’ve got a fancy soiree coming up or plan to attend a wedding over the next nine+ months, you’ll need to start shopping for a maternity cocktail dress.

For those of you that don’t know, a cocktail dress is less formal than an evening gown, but dressier than an everyday dress. Most invitations will specify if the event requires cocktail attire. When it comes to the perfect maternity cocktail dress, comfort and style are always top of mind. Sure, you want to look great, but you don’t want to sacrifice comfort in order to do so. Our advice? Opt for soft, stretchy materials like jersey or flowy chiffon and silk. These fabrics will skim your pregnancy curves without feeling restrictive. Ready to get the party started? Browse our favorite maternity cocktail dresses below.

The Best Maternity Cocktail Dresses

Cocktail attire is one of the most flexible dress codes. With that said, it’s best to avoid over-the-top details (think: excessive sequins) in favor of well-cut dresses that flatter your pregnancy curves. To help you on your search, we’ve gathered a few of our favorite maternity party dresses available now.

Light blue maternity cocktail dress

Sky Blue Maternity & Nursing Dress with Neckline Tie
Image: Seraphine
Buying Options
Seraphine|$269

You’ll be beautiful in blue in this maternity cocktail dress. Made from flowy georgette fabric that drapes effortlessly over your bump, this fully lined dress is available in sky blue or elegant navy. Lace detailing and a flouncy bow at the neckline round out the feminine details, and a side zipper coupled with a discreet stretch panel at the back ensure a flexible fit for every stage of pregnancy.

Size range: 2 to 16 | Fabric: Viscose georgette and lace

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Black maternity cocktail dress

Kimi and Kai Morgan Lace Trim Body-Con Maternity Dress
Image: Nordstrom

A little black dress is a wardrobe staple for a reason. This maternity cocktail dress has a figure-hugging fit and falls to just above the knee. And thanks to the stretchy fabric and subtle ruching at the waist, it’s comfortable enough for an all day event. The bateau neckline, cap sleeves and scallop lace trim add just the right amount of evening-appropriate elegance to the dress, which comes in black or navy.

Size range: XS to XL (0 to 18) | Fabric: Rayon-spandex blend

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Plus-size maternity cocktail dress

PinkBlush Green Floral Maternity/Nursing Hi-Low Dress
Image: PinkBlush Maternity

PinkBlush has tons of plus-size maternity occasion dresses, including this green floral frock. The empire waistline provides plenty of space for your blossoming baby bump and the V-neckline shows off the perfect amount of skin.

Size range: 1X to 3X | Fabric: Polyester-spandex blend

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Floral lace maternity cocktail dress

Floral Lace Maternity to Nursing Occasion Dress
Image: Seraphine
Buying Options
Seraphine|$235

This maternity cocktail dress is perfect for any upscale occasion, and is sure to accentuate your best features. A tie waist and V-neckline work together to flatter your bump and decolletage, while the A-line skirt provides plenty of room for comfort. Elegant flutter sleeves and a sheer lace overlay add a touch of class to the simple silhouette. Choose from a flirty coral for a daytime event or opt for evening-appropriate navy.

Size range: 2 to 16 | Fabric: Nylon and polyester with a viscose liner

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Minimalist maternity cocktail dress

HATCH The Easy Slip Dress
Image: HATCH Collection
Buying Options
HATCH Collection|$298

When you’re pregnant, the last thing you want is for your clothing to feel restrictive or over the top. Banish the worries when you opt for this buttery soft slip dress from HATCH Collection. It comes in a verdant green color that’s sure to lift your spirits and have you in a party-ready mood, no matter how uncomfortable you might be feeling. Not into green? The rose pink version is an elegant alternative that still delivers the comfort you’re seeking.

Size range: 0 to 16 | Fabric: Polyester

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Dark blue maternity cocktail dress

Deep Blue Beaded Maternity Cocktail Dress
Image: Seraphine
Buying Options
Seraphine|$225

Searching for a maternity party dress for a fancy affair? Rest assured we’ve found it. This navy dress features a bejeweled empire waist line that’ll sparkle as you twirl across the dance floor. Three-quarter length sleeves and a low cut back add a touch of flair to this gorgeous frock.

Size range: 2 to 16 | Fabric: Viscose

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Maxi maternity cocktail dress

Anthropologie Let Me Be Colorblock Halter Dress
Image: Anthropologie
Buying Options
Anthropologie|$220

For a more casual twist on maternity cocktail attire, try this floor-length colorblock frock. While it’s not designed for pregnancy, the relaxed silhouette flows beautifully over your newfound curves. Dress it up with chic accessories for a look that translates from day to night.

Size range: XXS to XL | Fabric: Viscose

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Short black maternity cocktail dress

HATCH Collection The Tia Dress
Image: HATCH Collection
Buying Options
HATCH Collection|$278

Short and sweet, this mini dress offers the perfect balance between comfort and elegance. Cut from a soft, gauze fabric, it boasts a statement neckline and a flouncy skirt with a ruffle trim. Meanwhile practical elements, like the adjustable straps and stretchy elasticated back, provide a comfortable fit during all three trimesters and beyond.

Size range: 0 to 16 | Fabric: Polyester

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Patterned maternity cocktail dress

Motherhood Maternity Waist Tie Surplice Maternity Dress
Image: Motherhood
Buying Options
Motherhood|$60

Inject some color into a fancy affair with this floral wrap dress by Motherhood Maternity. We love the watercolor petal pattern, lilac hue and flirty knee length cut. Featuring a flattering wrap design with a waistline tie that rests just above your bump, this dress can be worn during all stages of pregnancy.

Size range: XS to L | Fabric: Polyester-spandex blend

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Lace maternity cocktail dress

Tiffany Rose Amelia Dress
Image: Nordstrom

Can’t decide what color maternity cocktail dress you’d like to wear? No worries! This beautiful lace frock comes in 10 sophisticated colors, so you're sure to find the perfect shade for any occasion. It boasts a simple boat neckline, a knee length cut and an optional satin sash. Wear it to a cocktail party, a semi-formal wedding, your baby shower or even a pre-baby date night.

Size range: 2 to 16 | Fabric: Nylon-viscose blend

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Sage green maternity cocktail dress

Bump Biddy Maternity Plus Tammy Front Drape Dress
Image: Bump Biddy
Buying Options
Bump Biddy|$44

Looking for something with long sleeves? Check out this plus-size maternity cocktail dress from Bump Biddy. A combination of drapery and ruching ensure a flattering yet comfortable fit, and the subtle sage green color is perfect for springtime events.

Size range: 1X to 3X | Fabric: Polyester-spandex blend

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Statement sleeve maternity bridesmaid dress

Statement sleeves are having a moment right now, and this trendy little blue maternity cocktail dress is the perfect way to get in on the trend. The Capri blue hue exudes Italian style and luxury. While the dramatic cap sleeves, reminiscent of flowers, add the wow-factor. Available in five bold colors.

Size range: XS to L | Fabric: Cotton-nylon blend

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Sequin maternity cocktail dress

Tiffany Rose Mia Dress
Image: Tiffany Rose
Buying Options
Tiffany Rose|$325

Bring the sparkle with this short maternity cocktail dress from Tiffany Rose. The muted gray skirt keeps things sophisticated while the sequin bodice with cap sleeves adds a touch of glamor. Add a satin sash to highlight your waist for the perfect finishing touch.

Size range: 2 to 16 | Fabric: Polyester

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Linen maternity cocktail dress

HATCH Collection The Sasha Maternity Dress
Image: Rent the Runway

How refreshingly adorable is this purple frock? It’s one of our favorite maternity party dresses for warm-weather occasions. The linen blend fabric is naturally breathable and light, and the short skirt is nice and breezy. Plus, the scoop neckline with statement ruffles make for an outfit that you can dress up or down, depending on the day.

Size range: 0 to 16 | Fabric: Tencel-linen blend

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Satin maternity cocktail dress

Flounce London Maternity satin flutter sleeve midi dress in navy
Image: ASOS
Buying Options
ASOS|$73

The elegant satin style is one of our favorite blue maternity cocktail dresses. The pretty sweetheart neckline and cap sleeves pair perfectly with the demure mid-calf length. Add gold accessories for a regal look that’s sure to turn heads.

Size range: 4 to 14 | Fabric: Polyester

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One shoulder maternity cocktail dress

Club L London Odelia Maternity Midi Dress with Asymmetric Sleeve and Side Split
Image: Club L London
Buying Options
Club L London|$104

Embrace your curves in this maternity cocktail dress by Club L London. Crafted from double-lined jersey and ruched to perfection, this dress contours to your changing silhouette. The muted mocha color is oh-so-chic, while the asymmetric one-shoulder design keeps things interesting. Trust us, this midi dress is the perfect choice for any upcoming social engagements.

Size range: 4 to 12 | Fabric:Jersey

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Forest green maternity cocktail dress

ASOS DESIGN Maternity twist front pleated cami midi dress with belt in forest green
Image: ASOS
Buying Options
ASOS|$40.50

Darker shades work best for maternity cocktail attire, but that doesn’t mean you need to ditch the color entirely. This forest green party dress is refined and elegant thanks to the A-line cut, twist-front bodice and flowy chiffon skirt.

Size range: 0 to 16 | Fabric: Polyester

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Ruffle maternity cocktail dress

Show Me Your Mumu Jess Ruffle Midi Dress
Image: Show Me Your Mumu
Buying Options
Show Me Your Mumu|$98

This little blue number gives you the look of a true wrap dress with the security of an elasticated waist and an adjustable sash belt. The soft ruffles frame your decolletage and the high-low hem lets you show off your favorite shoes. Better yet, it’s available in 13 pretty pastel shades and comes in inclusive sizes.

Size range: XXS to 3X | Fabric: Polyester

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Turtleneck maternity cocktail dress

Bumpsuit The Serena Dress
Image: Bumpsuit
Buying Options
Bumpsuit|$145

Shapewear as outerwear, yes please. This figure-hugging dress is made from a soft brushed jersey designed to gently stretch with the body through the stages of pregnancy. It’s double lined and is available in five trendy hues and comes in velvet too.

Size range: XS to XL | Fabric: Brushed jersey

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Velvet maternity cocktail dress

Sexy Mama Maternity Off the Shoulder Velvet Maternity Dress in Burgundy
Image: Sexy Mama Maternity

Show off your shoulders in this luxurious maternity party dress. The form-fitting bodice is balanced with a knee-length pleated skirt. Made from premium stretch velvet, this frock works for all nine months of pregnancy and beyond.

Size range: 2 to 16 | Fabric: Velvet

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Cocktail maternity jumpsuit

Nom Maternity Francesca Jumpsuit
Image: Nom Maternity

Not into dresses? We hear you Mama. This jumpsuit is an alternative to traditional maternity cocktail attire. The neutral color and straight leg silhouette is easy to dress up or down. The wrap style front is incredibly flattering and is nursing-friendly to boot.

Size range: XS to XL | Fabric: Rayon-spandex blend

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Ruched maternity cocktail dress

Club L London Black Ruched Bardot Maternity Midi Dress
Image: Club L London
Buying Options
Club L London|$96

Sophisticated yet sultry, this black maternity cocktail dress will serve you well. It’s made from a premium jersey, with full body ruching that stretches to accommodate your bump. And that boat neckline is giving us old Hollywood glamor.

Size range: 4 to 12 | Fabric: Jersey

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Maxi maternity cocktail dress

Baltic Born Uma Velvet Maxi Dress
Image: Baltic Born
Buying Options
Baltic Born| $130

While knee-length dresses are the most popular choice for a cocktail dress code, a maxi style works equally well. Case in point: This beautiful copper-colored maxi dress by Baltic Born. The velvet fabric is seriously luxurious and the slit adds a touch of sass. Practical details like an elasticated waistband and crossover bust make this a pregnancy-friendly pick.

Size range: XS to XXL | Fabric: Polyester

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Sleeveless maternity cocktail dress

H&M MAMA Before & After Nursing Dress
Image: H&M
Buying Options
H&M|$64.99

Mix things up with this zesty green dress from H&M. The softly draped satin and crossover bodice exudes sophistication while the modern color keeps things feeling fresh.

Size range: XS to XXL | Fabric: Polyester

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Cutout detail maternity cocktail dress

Isabella Oliver Darcie Maternity Dress
Image: Isabella Oliver
Buying Options
Isabella Oliver|$99

Hit all the high notes when it comes to maternity cocktail attire with help from sustainable fashion brand Isabella Oliver. This black party dress boasts an asymmetric neckline that leaves one shoulder bare and adorns the other with an eye-catching double-strap detail. It’s made from stretchy jersey for ultimate comfort and the ruched mid-section caters to a bump of any size.

Size range: 2 to 14 | Fabric: Lenzing Ecovero jersey

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How We Chose the Best Maternity Cocktail Dresses

We get it—dressing for a formal event when you’re sporting a baby bump is tricky. To streamline your decision-making process, our goal is to do the bulk of the research for you, so you don’t have to spend hours scrolling through online retailers. We considered a list of criteria when sourcing these dresses, including quality and durability, comfort, value and style. That way you can count on getting the best bang for your buck, while also having some sophisticated yet comfy looks to get you through the party season.

To find party-ready maternity occasionwear, we leveraged our familiarity with leading maternity brands to make sure items are from reliable manufacturers. We also read user reviews to get the low-down on how these dresses fit expectant moms, and didn’t consider anything with less than an average four-star rating.

Interested in learning more about our editorial process? Read about how our team develops and reviews all articles here.

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