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15 Breathtaking Formal Maternity Dresses For Your Next Special Occasion (and the 3 Best Brands to Shop From)

March 21, 2023 · In: Special Occasion Wear

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Looking for the best formal maternity dresses to wear to your next special occasion?

Here are 15 gorgeous dresses, as well as the top 3 brands to shop from!

semi formal maternity dresses

Ahhh, you just got invited to a stunning special occasion next month, and you’re so excited to show off your gorgeous new baby bump in a beautiful new dress! We’re so excited for you, mama, and can’t wait to see your new look!

…There’s only one problem, however - you don’t know what to wear! Should you bust out a sleek, black number, or should you go bold and wear the most vibrant, colorful dress the world has ever seen?? Ugh, you can’t decide. Don’t worry, mama!

From stunning formal maternity dresses for wedding, to gorgeous semi formal maternity dresses, we’ve got you covered with our top formal maternity dresses for looking beautiful in (for all special occasions, parties, and celebrations). We’ve also chosen the 3 best brands to shop for formal maternity dresses for special occasions!

This post is all about formal maternity dresses.

TABLE OF CONTENTS

Best Brands to Shop for Formal Maternity Dresses

Our Top Picks for Formal Maternity Dresses from Each Brand

PinkBlush Maternity

HATCH Collection

boohoo

Best Brands to Shop for Formal Maternity Dresses

PINKBLUSH MATERNITY

PinkBlush Maternity is your one-stop shop for cute and trendy formal maternity dresses for all occasions. We absolutely LOVE that they are always on point and have a wide selection of gorgeous dresses, so shopping for your special occasion wardrobe will be a breeze!

HATCH COLLECTION

HATCH Collection showcases some of the most stunning, elegant, and classy formal maternity dresses you’ve ever seen. We can’t get over their attention to detail on style, functionality, and overall comfort for all of their dresses, and just love how beautiful each piece will make you look and feel!

BOOHOO

boohoo has such a fabulous selection of formal maternity dresses - we guarantee you will never run out of chic styles to choose from when shopping with them! They’ve got you covered in the stylish maternity dress department, for sure!

Our Top Picks for Formal Maternity Dresses from Each Brand

PinkBlush Maternity

1. PinkBlush Lavender Off Shoulder Chiffon Maxi Maternity Dress

formal maternity dresses

PinkBlush Maternity’s PinkBlush Lavender Off Shoulder Chiffon Maxi Maternity Dress is such a stunning dress! This black tie maternity dress will have you looking and feeling so gorgeous at your special occasion or party, and works perfectly for your upcoming maternity photoshoot, as well!


Trust us, you’ll love how amazing you’ll look in one of the most beautiful formal maternity dresses for wedding EVER! Buy the PinkBlush Lavender Off Shoulder Chiffon Maxi Maternity Dress now at PinkBlush.

BUY NOW AT PINKBLUSH

Features We Love

  • Gorgeous maxi length
  • Off the shoulder neckline
  • Pleated, chiffon fabric
  • Can be worn during and after pregnancy

2. PinkBlush Mauve Ruched One Shoulder Maternity Dress

formal maternity dresses

PinkBlush Maternity’s PinkBlush Mauve Ruched One Shoulder Maternity Dress should be every mama’s go-to dress for all parties and celebrations (yes, it’s THAT good!). This black tie maternity dress is so elegant and sexy, and envelops your curves so beautifully!


Trust us, you will fall in love over and over again every time you slip into this gorgeous dress, and look at just how undeniably stunning you are. This dress is among the most breathtaking formal maternity dresses, for sure! Buy the PinkBlush Mauve Ruched One Shoulder Maternity Dress now at PinkBlush.

BUY NOW AT PINKBLUSH

Features We Love

  • One shoulder neckline
  • Ruched detailing throughout the dress
  • Soft, stretchy fabric
  • Can be worn during and after pregnancy

RELATED POST: 14 Most Comfortable and Supportive Pregnancy Shapewear You Should Invest In (and Tips on How To Choose The Best Products)

3. PinkBlush Light Pink Solid Off Shoulder Maternity Fitted Dress

formal maternity dresses

PinkBlush Maternity’s PinkBlush Light Pink Solid Off Shoulder Maternity Fitted Dress is oh so pretty and dainty! This black tie maternity dress is such a sweet dress, and you will feel so beautiful while wearing it! Everyone won’t be able to stop gushing at just how gorgeous you look at the party you attend - trust us!


Truly one of the most gorgeous formal maternity dresses you’ll ever see! Buy the PinkBlush Light Pink Solid Off Shoulder Maternity Fitted Dress now at PinkBlush.

BUY NOW AT PINKBLUSH

Features We Love

  • Soft, stretchy fabric
  • Short sleeves
  • Off the shoulder, sweetheart neckline
  • Can be worn during and after pregnancy

4. PinkBlush Light Blue Mock Neck Ruffle Trim Fitted Maternity Dress

formal maternity dresses

PinkBlush Maternity’s PinkBlush Light Blue Mock Neck Ruffle Trim Fitted Maternity Dress is such an effortlessly chic dress! This black tie maternity dress is perfect for mamas who want to make a fashionable statement at their next evening party or special occasion, and just look and feel so stunning all throughout the night (or day)!


Truly among the most stunning formal maternity dresses. Buy the PinkBlush Light Blue Mock Neck Ruffle Trim Fitted Maternity Dress now at PinkBlush.

BUY NOW AT PINKBLUSH

Features We Love

  • Ruffle trim short sleeves
  • Cold shoulder, mock neckline
  • Fitted silhouette
  • Keyhole back with a dual button closure

5. PinkBlush Beige Lace Off Shoulder Long Sleeve Maternity Maxi Dress

formal maternity dresses

PinkBlush Maternity’s PinkBlush Beige Lace Off Shoulder Long Sleeve Maternity Maxi Dress is the definition of a beautiful bliss! This black tie maternity dress exudes beauty and elegance, and makes the perfect wedding dress or a special occasion dress.


We know you will love just how graceful and gorgeous you will look in this dress! Truly one of the most elegant formal maternity dresses for wedding. Buy the PinkBlush Beige Lace Off Shoulder Long Sleeve Maternity Maxi Dress now at PinkBlush.

BUY NOW AT PINKBLUSH

Features We Love

  • Double lined interior
  • Intricate lace detailing on outer layer
  • Off the shoulder neckline
  • Elegant and feminine silhouette

HATCH Collection

6. The Fete Gown

HATCH Collection’s The Fete Gown is the definition of sexy elegance. This black tie maternity dress is definitely a show-stopper, and is perfect for daytime and evening celebrations! We absolutely LOVE its flowy, maxi shape, and its bold, brilliant black color. This is honestly among the most stunning fancy maternity evening gowns!


It will be hard to not feel like a goddess while wearing this dress - trust us! Buy The Fete Gown now at HATCH.

BUY NOW AT HATCH

Features We Love

  • One size fits all
  • Elegant, flowy maxi length
  • Convertible neckline
  • Can be worn during and after pregnancy

7. The Ricky Slip Dress

HATCH Collection’s The Ricky Slip Dress is THE dress to wear when you want to make a bold fashion statement. This formal maternity dress is perfect for daytime or evening celebrations, and is just so elegant and chic! A true stunner among formal maternity dresses.


We absolutely LOVE this dress, and how beautiful you will look and feel in it - yesss queen! Buy The Ricky Slip Dress now at HATCH.

BUY NOW AT HATCH

Features We Love

  • Adjustable spaghetti straps
  • Sexy, deep v-neck neckline
  • Elegant, flowy maxi length
  • Can be worn during and after pregnancy

8. The Willow Dress

HATCH Collection’s The Willow Dress is just mmm, mmm, LOVELY! This black tie maternity dress will have you looking and feeling like such a beautiful mama at your special event, and everyone won’t be able to take their eyes off of you!


We absolutely love how gorgeous this dress is, and we know you will, too! Such an excellent choice for elegant, fancy maternity evening gowns! Buy The Willow Dress now at HATCH.

BUY NOW AT HATCH

Features We Love

  • Adjustable spaghetti straps
  • Sexy, deep v-neck neckline
  • Elegant, flowy maxi length
  • Can be worn during and after pregnancy

RELATED POST: 12 Cutest Maternity Party Dresses for All Special Occasions (and the 3 Best Brands to Shop From)

9. The Riviera Dress

HATCH Collection’s The Riviera Dress is such a chic, fun, and fabulous dress! This formal maternity dress is perfect for daytime or evening celebrations, and its elegant, removable sash and easy, caftan silhouette will make you stand out beautifully.


You will have so much fun sashaying in this dress, and dancing the night (or day) away! Definitely among the most gorgeous semi formal maternity dresses. Buy The Riviera Dress now at HATCH.

BUY NOW AT HATCH

Features We Love

  • Removable sash (for more comfort during early pregnancy and after pregnancy)
  • V-neck neckline
  • Easy, comfortable caftan silhouette
  • Can be worn during and after pregnancy

10. The Harlow Dress

HATCH Collection’s The Harlow Dress is so elegant and gorgeous! This black tie maternity dress has such a bold and beautiful neckline, and its stunning, silky body will make you feel so feminine and fabulous while wearing it!


It will be hard to not feel like a queen in this amazing dress! Truly one of the most beautiful semi formal maternity dresses. Buy The Harlow Dress now at HATCH.

BUY NOW AT HATCH

Features We Love

  • Bra-friendly
  • Cowl neckline
  • Soft, silky fabric
  • Can be worn during and after pregnancy

boohoo

11. Maternity Satin Plisse Frill Midaxi Dress

formal maternity dresses

boohoo’s Maternity Satin Plisse Frill Midaxi Dress is just EVERYTHING! This black tie maternity dress is effortlessly sexy and classy at the same time, and will definitely turn heads when you wear it at your next special occasion or event.


Trust us, you’re going to LOVE the way you look in this dress! Truly among the most beautiful formal maternity dresses! Buy the Maternity Satin Plisse Frill Midaxi Dress now at boohoo.

BUY NOW AT BOOHOO

Features We Love

  • Plunging v-neck neckline
  • Sexy thigh slit
  • Plisse frill style
  • Elegant and feminine silhouette

12. Maternity Cape Bodycon Midi Dress

maternity evening dresses online

boohoo’s Maternity Cape Bodycon Midi Dress is the definition of class and elegance! This black tie maternity dress is definitely a showstopper with its gorgeous cape sleeves, and you will love how it will make you feel like such a boss mama while wearing it!


Such an amazing dress to wear to your upcoming celebration, and among the most gorgeous formal maternity dresses for wedding! Buy the Maternity Cape Bodycon Midi Dress now at boohoo.

BUY NOW AT BOOHOO

Features We Love

  • Long, cape sleeves
  • Mock neckline
  • Elegant bodycon silhouette
  • Can be worn during and after pregnancy

13. Maternity Pleated Wrap Midaxi Dress

formal maternity dresses

boohoo’s Maternity Pleated Wrap Midaxi Dress is such a STUNNER! This formal maternity dress is incredibly elegant, and you will absolutely LOVE just how gorgeous you will look and feel while wearing this dress!


This is the perfect dress to wear to a special celebration, daytime, or evening party - trust us! Truly one of the most stunning fancy maternity evening gowns EVER. Buy the Maternity Pleated Wrap Midaxi Dress now at boohoo.

BUY NOW AT BOOHOO

Features We Love

  • Double lined interior
  • Long, puffy sleeves
  • Sexy v-neck neckline
  • Pleated detail on outer fabric

RELATED POST: 12 Gorgeous Maternity Gowns That Will Make You Look Like a Queen (and the 3 Best Brands to Shop From)

14. Maternity Occasion Tie Back Frill Midi Dress

formal maternity dresses

boohoo’s Maternity Occasion Tie Back Frill Midi Dress is just so breathtaking! This formal maternity dress will make you look and feel ultra feminine and chic, and will easily put you on the top of the ‘best dressed’ list at your next special occasion.


You’re going to LOVE the way you look in this gorgeous dress (and know that it is truly among the most spectacular semi formal maternity dresses)! Buy the Maternity Occasion Tie Back Frill Midi Dress now at boohoo.

BUY NOW AT BOOHOO

Features We Love

  • Ruffled sleeves
  • Sexy v-neck neckline
  • Tie back detail
  • Can be worn during and after pregnancy

15. Maternity Occasion One Shoulder Pleated Midi Dress

formal maternity dresses

boohoo’s Maternity Occasion One Shoulder Pleated Midi Dress is such an elegant and gorgeous dress! This black tie maternity dress will make you feel like a goddess as you sashay into the celebration or party you enter, and everyone will be speechless at how gorgeous you look in it!


Trust us, this is THE dress you need in your maternity wardrobe for the next event you will attend this season! Such a beauty among all fancy maternity evening gowns. Buy the Maternity Occasion One Shoulder Pleated Midi Dress now at boohoo.

BUY NOW AT BOOHOO

Features We Love

  • One shoulder neckline
  • Pleated detail on outer fabric
  • Midi length
  • Elegant and feminine silhouette

This post was all about formal maternity dresses.

By: Mimba Chic · In: Special Occasion Wear

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