What to Wear to Prom Plus Size: Style Advice, Best Brands & Fit Tips, USA

Prom is a standout moment, and what you wear should make you feel confident, comfortable, and completely yourself—regardless of your size. For plus-size individuals, navigating prom fashion can feel overwhelming with the range of cuts, fabrics, and fit inconsistencies across brands. The key is to find the right silhouette for your body shape, prioritise fit over trend-chasing, and choose fabrics that move and flatter.

This guide breaks down what to wear to prom in plus sizes, with styling advice, smart brand picks, and how to ensure the perfect fit. Plus, we introduce how Tellar.co.uk can make sizing for over 1,500 brands seamless and accurate—so you can stop guessing and start celebrating.

1. Choosing the Best Plus-Size Silhouettes for Prom

Not every prom dress needs to be body-hugging or floor-length. The best silhouette depends on your comfort level and where you want to draw focus.

A-Line Gowns

Universally flattering, A-line dresses skim the waist and flare out gently—ideal if you want definition without clinging to hips or thighs. Look for structured bodices with boning or supportive lining.

Empire Waist Dresses

Perfect for apple or fuller tummy shapes, empire cuts sit just below the bust, allowing fabric to flow freely over the midsection. Light chiffon or satin in this silhouette works well for movement and elegance.

Mermaid or Trumpet Styles

For those who love to embrace curves, a mermaid or trumpet silhouette can create a glamorous red-carpet look. Just be sure the fit at the hips is accurate—consider trying a stretch-blend material to reduce stiffness.

Fit & Flare with V-Necks

This combo works wonders for balancing proportions—especially if you have a fuller bust. A V-neck draws the eye vertically, elongating your neckline and offering space to showcase jewellery or hair styling.

2. Fabric and Fit Tips for Plus-Size Prom Dresses

Fabric Matters

Avoid overly stiff fabrics unless they’re expertly tailored. Instead, opt for:

Chiffon: Lightweight and airy, ideal for flowing gowns.
Stretch Satin or Jersey: Smooths curves while offering mobility.
Tulle with Structure: Works well for fuller skirts without adding bulk.

Fit Comes First

It’s common to fluctuate between sizes in different brands. Prioritise the fit across the bust and waist rather than fixating on the size label. A tailor can always adjust a hem or hip if needed.

3. Plus-Size Styling Advice for Prom

Shapewear Is Optional

You don’t need to wear shapewear, but if it boosts your confidence, choose breathable, comfortable options. Look for shaping shorts or full-body slips with no rolling waistbands.

Supportive Undergarments

A well-fitted bra makes a huge difference in how a prom dress sits—especially for strapless or low-cut gowns. Opt for multiway or longline bras if you need more structure.

Add a Statement Layer

Boleros, satin shawls, or sheer capes are stylish options that offer coverage without hiding the dress. Choose a complementary colour for a polished effect.

Heels or Flats?

Wear what you’ll last longest in. Block heels and dressy ballet flats both offer style and comfort. Wide-fit shoe brands are essential—some good options are available at River Island or Evans.

4. Best Plus-Size Prom Dress Brands

These brands cater specifically to plus sizes or offer inclusive sizing with well-reviewed fit quality:

1. Chi Chi London Curve

Specialises in formalwear and occasion dresses with sizing up to UK 26. Known for structured bodices and romantic details. See Tellar’s style breakdown for Chi Chi London.

2. Club L London Curve

Offers curve-enhancing designs in stretch fabrics, often available up to UK 28. Excellent for bold prom looks like one-shoulder gowns or wrap styles.

3. ASOS Curve

Budget-friendly and trend-driven, ASOS Curve ranges from UK 18–30, with a wide selection of prom-ready dresses in varying lengths and styles. Read Tellar’s full ASOS Curve guide to get the right fit.

4. Simply Be

Carries flattering occasionwear up to UK 32, including brands like Joanna Hope and AX Paris Curve. Excellent fit feedback on formal dresses with sleeves and embellishments.

5. City Chic

An Australian brand available in the UK through retailers like Yours Clothing, City Chic is known for premium fit across bust and waist, perfect for curvy silhouettes.

6. Coast Curve

For more traditional or understated prom looks, Coast’s Curve collection features tailored, elegant dresses up to size 26. Great for satin gowns or off-the-shoulder styles.

5. Accessorising for Plus-Size Prom Looks

Jewellery

Statement earrings or layered necklaces can elevate even a simple dress. If your neckline is V-shaped or off-the-shoulder, longer pieces work best. Avoid overly chunky jewellery if the dress already has beading or sequins.

Bags

A satin clutch or embellished crossbody bag adds polish. Make sure it fits essentials: phone, lipstick, and any extras like fashion tape or blotting paper.

Hair and Makeup

Choose a hairstyle that complements the neckline—updos for high necks, soft waves for strapless or halter cuts. Balance a bold lip with soft eye makeup, or vice versa.

6. Prom Fit Confidence with Tellar.co.uk

If you’re worried about dress sizing—especially with so many brands varying by cut and fit—Tellar.co.uk is the UK’s leading free sizing tool that matches your body measurements to 1,500+ fashion brands in real-time.

Here’s how it works:

Create a free profile with your bust, waist, and hip measurements.
Search any brand like ASOS, Chi Chi London, Club L or Coast.
Instantly see which size fits you best—based on your body, not generic size charts.
Discover real-time size matches across dresses, trousers, coats and more.

No more second-guessing or over-ordering multiple sizes. Tellar makes shopping easier, faster, and more sustainable.

👉 Start here: https://www.tellar.co.uk/create-profile/

Need help finding the perfect prom dress brand? Explore posts like:

Chi Chi London Sizing Guide
Does ASOS Curve run large or small?
Plus-Size Partywear Brands Reviewed

Stay Connected With Tellar.co.uk

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Twitter/X: @TellarSizing
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Final Thought:

Prom should be about confidence, joy, and feeling your best—not stressing over sizing or guessing what will fit. Whether you love bold glamour or minimalist elegance, there are stunning plus-size prom options out there. Use tools like Tellar.co.uk to shop smarter, save time, and feel fantastic on your big night.

Find your size in 1,500+ brands real-time. It’s free & easy.