Size 20 Dresses
Size 20 formal dresses for weddings, prom, galas, and every dressy event. This collection features women's size 20 formal gowns, ball gowns, evening dresses, and cocktail dresses from designer labels such as May Queen and Royal Queen, with corset bodices, sleeves, slits, and beading in a wide range of colors.
Browse our plus size dresses by occasion, color, or length to find a size 20 formal dress that gives support and looks beautiful.
What Should You Look for in a Size 20 Formal Dress?
The best size 20 formal dress is comfortable, supportive, and easy to move in. Look for a structured or lined bodice, a corset back for adjustments, and a fabric with enough body to hold a clean shape. Very thin fabrics can cling or show seams, while satin, crepe, and lined lace usually look smoother.
Sizing varies from one designer to another, so read the size chart on each product page and compare it with your bust, waist, and hip measurements.
Which Occasions Call for a Size 20 Formal Dress?
Size 20 formal dresses cover every dressy event, from weddings to galas. Here is a quick guide:
-
Weddings: Brides, bridesmaids, guests, and mothers of the couple all have choices. Browse plus size wedding dresses for bridal gowns in white and ivory.
-
Prom and quinceañera: Full ball gowns, corset bodices, and sparkle are popular for size 20 prom and quinceañera dresses.
-
Galas and black tie: Floor-length gowns with structure and rich fabrics suit formal evenings. Browse plus size ball gowns for dramatic styles.
-
Cocktail parties and holidays: Knee-length and midi dresses in black, red, or jewel tones suit dinners and holiday parties.
For the widest choice, browse plus size formal dresses across all sizes.
Which Necklines and Sleeves Suit a Size 20 Formal Dress?
Necklines and sleeves change both the look and the comfort level. V-necks and sweetheart necklines add shape at the bust, while off-the-shoulder and one-shoulder styles frame the neck and shoulders. Halter styles show off the neck, and square necklines feel classic.
For more coverage, long sleeves, lace sleeves, capes, and wraps are popular. If you want a sleeveless dress, a matching wrap can be added and removed as needed.
Which Styles and Silhouettes Come in Size 20?
Size 20 formal dresses come in many shapes, necklines, and details. Use this list to narrow your search:
-
Silhouettes: A-line, mermaid, fit-and-flare, bodycon, and ball gown shapes.
-
Necklines: V-neck, off-the-shoulder, one-shoulder, strapless, sweetheart, and halter.
-
Sleeves: sleeveless, long sleeve, lace sleeve, and cape looks.
-
Details: corset bodices, slits, beading, sequins, lace, and embroidery.
-
Lengths: floor-length gowns, midi, knee-length, and short styles.
Fabric changes how a dress looks and feels. Satin gives a polished finish, chiffon is light and flowy, tulle adds volume, and sequins and beading add shine.
What Colors Are Available in Size 20?
Color options include black, blue, brown, burgundy, champagne, dusty rose, gold, gray, green, ivory, pink, purple, red, rose gold, royal blue, silver, teal, and white. Dark and jewel tones suit evening events, while champagne, dusty rose, and rose gold work well for weddings and spring. Gold and silver stand out at proms and holiday parties.
How Do You Style a Size 20 Formal Dress?
Add structure: a supportive bra or shapewear, a lined bodice, and a wrap or jacket give comfort and a clean line from morning to night. Keep these ideas in mind:
-
Shoes: try them with the dress so the hem sits right, and choose a height you can wear for hours.
-
Jewelry: match it to the neckline. A necklace suits a plain or V-neck bodice, while earrings alone suit beaded or off-the-shoulder styles.
-
Layers: a wrap, shawl, or jacket adds coverage and warmth, and can come off for dancing.
-
Undergarments: choose a supportive bra or shapewear in a shade close to your skin tone so lines do not show.
-
Hair and makeup: an updo shows off a strapless or off-the-shoulder neckline, while loose hair suits high necks and sleeves.
What Should You Check Before You Order?
In a size 20, a corset back and a lined bodice can be the difference between a dress you tolerate and one you love. Before you add a dress to the cart, check the product page for the size chart, fabric, lining, and closure. A zipper back is quick to wear, and a corset back can be adjusted. Compare the length with your height and shoes, and think about the venue. An outdoor evening may call for a wrap, and a long train needs room to move.
Order a few weeks before your event. Extra time makes room for shipping, a fitting, and small changes such as a hem or strap adjustment. Size 20 is a size where support features matter, so it helps to shop early for the best choice of colors and styles.
Can You Shop Other Sizes Too?
Yes. Size pages run from 14 to 26, and each page brings together formal dresses available in that size. If you are between two sizes, compare both size charts and choose the larger one. A tailor can take a dress in more easily than let it out. Shoppers who want to see the whole range can start with the plus size collection and filter by size, color, and occasion.
What Formal Dress Lengths Can You Choose in Size 20?
Length depends on the event and your comfort. Floor-length gowns are the standard for formal and black tie events. Tea-length dresses fall between the knee and ankle and suit daytime weddings and semi-formal dinners. Midi and knee-length dresses work for cocktail parties, and short dresses fit homecoming and lively nights out. If you plan to dance a lot, a lighter skirt or a slightly shorter hem can be easier to move in. Try your shoes on with the dress, since heel height changes how the hem falls.
How Do You Make a Size 20 Formal Dress Fit Perfectly?
A small tailor visit can make a good dress look custom. Bring your shoes and undergarments to the fitting, and ask for a hem, strap, or waist adjustment if needed. If a dress fits your bust and hips but is loose at the waist, a tailor can take it in. If you are between sizes, choose the larger one, since letting a dress out is much harder than taking it in.
Order a few weeks before the event so there is time for shipping and alterations.
Size 20 Formal Dress FAQs
Are there size 20 formal dresses with sleeves?
Yes. Long sleeves, lace sleeves, off-the-shoulder styles, and capes are available.
What colors come in size 20 formal dresses?
Colors include black, burgundy, champagne, dusty rose, gold, green, pink, purple, red, royal blue, silver, and teal, among others.
How long does shipping take?
Orders ship in 1 to 2 business days. U.S. delivery is free and takes 2 to 6 business days, with expedited and overnight options for a fee.
Are the dresses authentic?
Yes. Dresses come from authorized designers and manufacturers, and the store guarantees they are not replicas.
Shop Size 20 Formal Dresses at Formal Dress Shops
Formal Dress Shops carries designer size 20 formal dresses for weddings, prom, galas, and every dressy occasion, with free U.S. shipping and worldwide delivery. Choose your color and length, and add your favorites to the cart.
Need help with sizing? Call or text 213-400-7464 (Spanish available), email info@formaldressshops.com, or visit the Los Angeles showroom.
Follow us
