17 Best Plus Size Mother of the Groom Dresses of 2021

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Although it's the happy couple's big day, as a mother of the groom, you deserve to find an outfit that not only showcases your personal style but celebrates your figure. And while finding a plus size dress that feels and looks amazing and gains your future daughter-in-law's stamp of approval can seem like no easy feat – your search ends here.

No matter your personal style or budget, there's a gorgeous plus size mother of the groom dress out there with your name on it. Attending a summer wedding? We have a curve-hugging blush number that will do just the trick. Need something slightly more formal for a black-tie ceremony? There's no shortage of stunning, full-length gowns and silhouettes to celebrate and flatter your figure. Plus, with hues ranging from blues to pinks to black, you can easily coordinate your look with the mother of the bride's dress, if need be.

Read on for the best plus size mother of the groom dresses for every style.

For a Formal Wedding: BHLDN Beaded Maxi Gown

When it comes to a wedding with a formal dress code, a little sparkle is always a good idea. This embellished gown from BHLDN features allover beading and sequins for a subtle shimmer that looks beautiful in photos.

Best Allover Beading: Ahluwalia Embellished Gown

Dazzle in this unique gown crafted from gauzy tulle and embellished with luxe beading. This style could easily be worn to a black-tie wedding in the winter or summer.

For a Winter Wedding: Jenny Yoo Velvet Long Sleeves Dress

Velvet for a winter wedding is always a chic and practical choice. Stay warm and look stylish in this long sleeve velvet number from Jenny Yoo.

Most Versatile: Sachin & Babi Black and White Gown

Nothing defines and flatters a waist better than a belted dress. This elegant black and white gown is made for a black-tie wedding and will quickly become your go-to outfit for any future formal affairs.

Best Ruching: Tadashi Shoji Jewel-Encrusted Waist Dress

It's the bride's time to shine but you also deserve to make an entrance! Do just that in this leg-baring gown complete with expertly placed ruching that nips you at the waist and is finished with a stunning jewel-encrusted embellishment.

For the Classic MOG: Badgley Mischka Off-the-Shoulder Dress

This elegant off-the-shoulder bodycon dress has been designed to draw you in at the waist and accentuate those shoulders. Wear yours with your hair up to showcase your neckline and your back.

Best Three-Piece Set: Onyx Stretch Glitter Set

We love a good 3-piece set and not just because it's a surefire way to look impossibly put together, but also two outfits in one! This glittering set comes complete with a flared sleeve jacket to take you from the ceremony to the reception and a flowy tank top to take you out onto that dancefloor!

For the Minimalist MOG: Rachel Pally Caftan Dress

This caftan dress is simplicity at its finest. If you're a mother of the groom who appreciates clean lines and a minimalist aesthetic then this style is sure to appeal to your pared-back aesthetic.

20 Elegant Slip Wedding Dresses for the Minimalist Bride

Best Beading: Adrianna Papell Champagne Gold Beaded Gown

Not only is this sparkly gown unique and sophisticated, but the carefully placed beading accentuates the waist making for a very flattering fit.

Most Statement-Making: Ahluwalia Metallic Bow Bodice

A black-tie wedding calls for drama and some serious luxe details like an oversized metallic bow and a sleek floor-grazing skirt complete with a leg-baring split.

Best Two-Piece: Alex Evenings Lilac Dress with Floral Jacket

While darker tones like navy and black are popular choices for MOG dresses, why not consider a light and airy tone like lilac? We love this shift dress and gauzy, floral jacket for a warm-weather or destination wedding.

Best for Every Season: BHLDN Gray Satin Gown

While blush and navy are forever classic, soft gray is a subtle and elegant choice for a mother of the groom dress. Versatile and flattering, gray can be worn for any season.

Best Floral Style: Zac Zac Posen Velvet Floral Gown

Velvet for a winter wedding is a no-brainer. Sometimes velvet can prove to be a little bulky but this Zac Zac Posen gown uses velvet on a floral overlay for a more streamlined look.

JS Collections Floral Embroidered Chiffon Gown

ASOS DESIGN Curve Floral Embellished Cape Maxi Dress

For a Formal Wedding: Mac Duggal Lace Bodice Long-Sleeve Wrap Gown

A strategically placed high slit knots and nips at the waist to cinch and elongate your whole body–who doesn't want legs for days?

Most Simple: 11 HONORÉ Slip Dress

Simple yet stunning, a slip dress is a tried-and-true silhouette that will never go out of style. Plus, they can easily be dressed up or down depending on your mood or the occasion.

What to look for in a plus size mother of the groom outfit

Shopping for a mother of the groom outfit is exciting but it can also be daunting at the time. It goes without saying that you'll want to look and feel your best on your son's big day so finding an outfit that's stylish and fits your perfectly is of the utmost importance. Before you start your search, it's helpful to identify what silhouettes work best for your body type and what assets you're looking to show off. Then, you can narrow down your options by taking cues from the wedding's theme, color palette, and dress code.

FAQ

What colors should a mother of the groom avoid wearing?

Unless specifically approved by the couple, a good rule of thumb is to avoid wearing white or any hue that might resemble the bride’s wedding dress or groom’s suit/tuxedo.
Do I have to run my outfit by the couple?

While the couple will surely want you to feel your best in your mother of the groom outfit, having a conversation with the couple beforehand can help set expectations and narrow down your options.
What is the most flattering dress silhouette for a plus size mother of the groom?

Some of the most flattering dress silhouettes for a plus size mother of the groom are A-line, mermaid, sheath, and tea-length. That said, mothers of the groom should always feel empowered to experiment with all different types of silhouettes.

Why Trust Brides

Contributing writer Sophie Moore is a former fashion editor at Brides and is an expert in all things bridal attire, from couture wedding gowns to the perfect "something blue" accessory. She researches and sources the best fashion items for brides, grooms, wedding guests, wedding parties, and more. Sophie's favorite trend for mother of the groom (and mother of the bride!) outfits is sleek and modern jumpsuits.