Sofia wrote and edited articles for The Knot Worldwide with a specialty in fashion and e-commerce.
Prior to The Knot Worldwide, Sofia was a writer for Santa Barbara Life and Style Magazine.
Sofia studied cultural anthropology and journalism at the University of California, Santa Barbara.
Updated Jan 28, 2026
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Chances are, you've probably attended your fair share of weddings over the years, but few as near and dear to your heart as your own child's. A special occasion like that calls for an equally special outfit. When the time comes to start looking for plus-size mother-of-the-bride dresses, there are a few things you'll want to keep in mind including the event's dress code, location and season. But most importantly, you'll want to find a style and fit that you adore. If you're shopping online for a plus-size mother-of-the-bride dress, you're in luck. We found plenty of standout options for the VIP MOB—from ultra-elegant black-tie gowns to semi-formal sheaths with matching jackets. Below, check out our favorite plus-size mother-of-the-bride dresses that you can shop right now.
To make your search for mother-of-the-bride plus-size dresses a little easier, we've rounded up some of the best options you can find online today. We've even added notes to indicate what dress code they each work best for. Keep scrolling to browse through 25 shoppable options, then head to our roundup of mother-of-the-bride accessories to find a little something to top off your look with.
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1. Mac Duggal Navy V-Neck Puff Sleeve Embroidered A-Line Gown
Photo: Mac Duggal
This embroidered Mac Duggal gown is a stunning pick for a formal winter wedding. The V-neckline and puff sleeves are elegant and flattering, and the flowing floor-length skirt will make you look like you're gliding around the venue. We also love the deep navy hue.
Dress Code: Formal, Black Tie | Size Range: 14W–24W
This navy plus-size maxi dress is perfect for MOBs. Its modest V-neck, flared kimono sleeves, and draped bodice create a dreamy, layered look. Best of all, you can dress it up or down depending on the event. For example, to make it beach-ready, style it with a woven sun hat and heeled sandals.
Shopping for a summer wedding? Look no further than this vibrant pink plus-size mother-of-the-bride dress. Its halter neckline and pretty hue are perfect for the season, and its airy skirt will keep you cool in warm weather.
Mac Duggal's plus-size mother-of-the-bride dresses are simply stunning. Point case: This navy blue number. It has a flirty, figure-flattering silhouette with ruching around the waist. It also has long puff sleeves for added elegance (and warmth). Accessorize with sparkly earrings and an elegant clutch to add even more pizzazz.
A classic little black dress is an essential part of every wardrobe. They're versatile enough to wear to any wedding-related function, from the rehearsal dinner to the main event. Plus, when they're as cute as this midi-length sequinned option, you won't mind outfit-repeating one bit.
7. Mac Duggal High-Neck Puff Sleeve Tiered A-Line Gown
Photo: Mac Duggal
A formal or black-tie affair calls for a show-stopping look, and this Mac Duggal gown certainly fits the bill. With its crimson hue, high neckline and dramatic floor-length skirt, it commands attention. Its stunning silhouette does all the talking, meaning you won't have to worry too much about accessories.
You'll be the best dressed for your child's semi-formal wedding in this satin maxi dress. Its shoulder pads and cuffed long sleeves exude drama, but its cool periwinkle color softens the look. Accessorize with statement earrings to complement its deep V-neckline.
9. Adrianna Papell Plus Sleeveless Halter Maxi Dress
Photo: Adrianna Papell
Channel old Hollywood glamour with this spectacular mother-of-the-bride dress. The plus-size gown is elevated with a halter neckline and a metallic gold hue. It's perfect for formal and black-tie events.
Minimalist mamas, you can't go wrong with a simple wrap-front maxi for your child's wedding. This formal frock has a V-neckline, long sleeves and a floor-length skirt, crafted from comfortable jersey fabric. It's a beautiful, versatile gown that works for any season and venue
11. Bloomchic Floral Embroidered Elastic Waist Lined Midi Dress in Black
Photo: Bloomchic
Found: Your new favorite dress for any occasion. With a flattering elbow-length sleeve and beautiful floral embroidery, we'd say this black midi is a total keeper. Thanks to its timeless design, you won't have to worry about it going out of style after just a few seasons.
Azazie has a beautiful assortment of plus-size mother-of-the-bride dresses, including this floor-length chiffon gown. With elegant cape sleeves and an illusion lace bodice, what's not to love? It's also available in an impressive 31 colors, so there's something for every season and style.
How perfect is this Elliatt dress for a spring garden wedding? Its gorgeous textured floral design is sure to attract tons of compliments. We also love the elegant flare silhouette and baby blue hue.
14. Kiyonna Wildflower Embroidered Dress in Garden Party
Photo: Kiyonna
Colorful flowers are beautifully embroidered throughout this plus-size mother-of-the-bride dress. The mesh overlay is a perfect match for the flounce sleeves and velvet trim accents. You'll have so much fun dancing the night away in this flowery frock.
Who says moms can't look sexy too? Certainly not us. With a sweetheart neckline, off-the-shoulder sleeves and a figure-flattering silhouette, this teal-colored maxi will offer a major confidence boost. You'll be reaching for it for weddings and cocktail parties alike.
Color steals the show on this unique plus-size mother-of-the-bride gown. Its baby blue bodice—with long balloon sleeves—contrasts its navy satin skirt in the best way possible. It also has an adjustable waist belt for a little added flair.
This black midi from City Chic is the picture of understated elegance. Featuring elbow-length puff sleeves, a gorgeous flared skirt and a cute bow detail at the back, it's ideal for a formal, semi-formal or cocktail soirée in winter. It also comes in a beautiful teal shade, perfect for fall events, and a vibrant pink, which can be worn all year round.
You'll look like royalty in this blue crepe gown from Tadashi Shoji. This elegant number features an on-trend asymmetrical neckline, with a statement-making bow detail on one shoulder. It's guaranteed to make a statement at your child's black-tie event.
This wrap dress has an effortlessly elegant look that makes it work for a range of dress codes. Its floral print, pleated maxi skirt and faux-wrap bodice give it a soft, romantic feel, perfect for a daytime wedding in spring or summer.
20. Adrianna Papell Plus-Size Hand-Beaded Floral Godet Gown in French Blue
Photo: Adrianna Papell
You'll be sparkling all night long in this shimmery hand-beaded evening gown. Delicate floral beading is placed exquisitely all over the dress, which boasts flutter sleeves and pleated godets on the skirt for extra movement.
21. Mac Duggal Sequin Floral Detail Dress in Black Multi
Photo: Mac Duggal
We seriously can't get enough of this floral mother-of-the-bride dress for spring and summer nuptials. It features a sheer outer layer adorned in colorful floral embroidery. Pair the eye-catching ensemble with some simple accessories like a dainty gold necklace and some nude-colored pumps.
22. ELOQUII Knot Front Pleated Skirt Dress in Rich Burgundy
Photo: ELOQUII
We can guarantee you'll be reaching for this red midi dress long after the big day. Its ultra-classic A-line silhouette would work for a variety of occasions, from weddings to work days and everything in between. Choose from six eye-catching color options, including burgundy (pictured here), navy blue and black.
With a low back and fitted bodice, this maxi-length option from Reformation is equal parts sexy and sophisticated. The bold floral print and tassel detail at the back are just some of its standout details.
With beaded embroidery at the shoulders and waistline, this MOB gown is suitable for the most formal of occasions. The V-neckline, flowy bell sleeves and emerald-inspired color give this dress a unique, vintage feel.
Dress Code: Formal | Size Range: 0-30; Custom Sizes Available
25. Kiyonna Luminous Sequin Lace Long Gown in Nocturnal Navy
Photo: Kiyonna
Get ready to turn heads in this breathtaking floor-length mother-of-the-bride dress. The elegant plus-size gown is hand-adorned with sequins and has three-quarter sleeves that are suitable for every season.
Best Places to Buy Mother-of-the-Bride Dresses in Plus Sizes
Not sure where to buy mother-of-the-bride dresses in plus-sizes? Below are a few brands that sell beautiful plus-size mother-of-the-bride dresses in a variety of lengths, silhouettes and patterns so you'll be able to find exactly what you are looking for.
Adrianna Papell
Adrianna Papell specializes in unique and stylish plus-size mother-of-the-bride dresses that are classy, elegant and on-trend. Their gowns are available in a variety of fabrics and silhouettes and are perfect for mothers of brides looking for something that leans toward a more formal dress code. Plus, you can get $25 off any purchase of $100 with our exclusive code, THEKNOT25.
Mac Duggal is a hidden gem for high-quality, plus-size mother-of-the-bride dresses. Although the brand leans a bit more pricey, we'd consider their options well worth the splurge. They're a great place to shop if you're looking for a dress for a formal or black-tie wedding.
Azazie is known for its affordability and wide variety of styles. From tea-length dresses and jumpsuits to floor-length gowns, you can easily find something for every wedding event, from the engagement cocktail party to the rehearsal dinner and even the day of.
Size Range: 0–30; Custom sizes available | Prices From: $189–$299
As a plus-size woman, it's essential to remember that confidence and style know no size limits. Embrace your curves, celebrate your beauty, and enjoy the shopping experience with these empowering tips for finding the perfect plus-size mother-of-the-bride dress!
1. Start Early and Explore Options
Give yourself plenty of time to find the dress that makes you feel fabulous. Start shopping at least three to four months before the wedding to allow for alterations if needed. Don't be afraid to browse and explore a wide range of options. Remember, there are plenty of beautiful dresses available in plus-sizes.
2. Consider the Fabric and Fit
When shopping for a mother-of-the-bride dress, pay attention to the fabric and fit. Opt for fabrics that drape well and offer a flattering silhouette. Chiffon, jersey, and lace are popular choices that provide both elegance and comfort. Additionally, choose a dress with a structured bodice or built-in shapewear to enhance your curves and provide extra support.
3. Embrace Color and Patterns
Don't be afraid to play with color and patterns! While traditional wedding colors like navy, blush, or black are classic choices, don't hesitate to experiment with vibrant hues or subtle prints. Find a color that complements the wedding theme and makes you feel radiant.
4. Bring a Supportive Shopping Buddy
Shopping for a dress should be a joyful experience, so don't hesitate to bring a supportive friend or family member along. Choose someone who uplifts you, understands your style and provides honest feedback. Their positive energy and encouragement will make the journey even more memorable.
5. Tailor the Dress to Perfection
Once you find the dress of your dreams, consider having it tailored to fit you perfectly. A proper alteration can make a significant difference in how the dress looks and feels on your body. Take the time to find a skilled tailor, ensuring that your dress fits like a glove and makes you feel like a queen.
