Harper | Women's Sequin Long-Sleeve Sweetheart Mini Christmas Party Dress
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Color: Black
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This Women's Sequin Long-Sleeve Sweetheart Mini Christmas Party Dress is your go-to choice for festive evenings, holiday parties, and cocktail nights out. The fitted silhouette with a sweetheart neckline and full-length balloon sleeves hugs your curves while the all-over sequins catch every light in the room, making it perfect for women who want to stand out.
Why You'll Love It
- All-Over Sequins: Dense sequin coverage reflects light from every angle for a glamorous, head-turning finish.
- Sweetheart Neckline: The fitted sweetheart bust flatters the décolletage while keeping the look sophisticated and elegant.
- Long Balloon Sleeves: Full-length sleeves add a chic, dramatic touch that balances the mini length beautifully.
Perfect For
Wear it to a Christmas party or New Year's Eve celebration, style it for a cocktail event or formal dinner, or dress it up with strappy heels for a girls' night out. It also works as a standout wedding guest dress for an evening reception.
Care Instructions
- Hand wash cold or machine wash on a delicate cycle.
- Do not bleach.
- Lay flat to dry, away from direct heat or sunlight.
- Cool iron on reverse if needed, avoiding sequins directly.
Frequently Asked Questions
What neckline does this dress have?
The dress features a sweetheart neckline that flatters the bust and adds a romantic, elegant touch.
How long are the sleeves?
The dress has full-length balloon sleeves that add drama and balance the mini-length skirt.
What occasions is this dress best suited for?
It is ideal for Christmas parties, New Year's Eve, cocktail events, formal dinners, and evening wedding receptions.
Size Chart
| Size | Chest | Waist | Length |
|---|---|---|---|
| S | 90 cm / 35.4 in | 72 cm / 28.3 in | 103 cm / 40.6 in |
| M | 94 cm / 37.0 in | 76 cm / 29.9 in | 104 cm / 40.9 in |
| L | 98 cm / 38.6 in | 80 cm / 31.5 in | 105 cm / 41.3 in |
| XL | 102 cm / 40.2 in | 84 cm / 33.1 in | 106 cm / 41.7 in |
Not sure which size to choose? Tap Find my size above — answer a few quick questions and get your size in seconds.
Most pieces follow standard U.S. sizing. You'll find all measurements in our size guide. For personal help, email contact@winthroprow.com — we reply within a few hours.
Every Winthrop Row piece is selected in Boston for its fabric, fit and finish. The exact composition is listed in the description and on the care label.
- Knitwear: hand wash cold or dry clean, dry flat, fold instead of hanging.
- Coats & tailoring: dry clean, hang on a wide hanger, brush after wearing.
- Leather & suede: brush regularly, protect before wet weather, dry naturally.
- Shirts & dresses: wash cool, iron on low heat.
Free U.S. shipping on every order. Processing takes 1–3 business days, delivery 3–5 business days from our North American warehouse. You'll receive a tracking link by email.
90-day returns. Email us and we send a printable return label. Return shipping is paid by the customer — free if an item arrives damaged, defective or incorrect.







