Royal Blue 3D Rose Floral Crystal Beaded Long Sleeve Mermaid Prom Dress with Custom Cathedral Train and Veil
She walked up the steps of the State Capitol — and everyone stopped to watch. This royal blue mermaid gown is pure royalty: sculptural 3D blue velvet roses blooming across a sweetheart neckline, thousands of silver crystals and sequins scattered like stars across sheer royal blue lace, dramatic long sheer sleeves encrusted in matching crystal beading, and a cathedral train custom-embroidered with bold 3D white floral lettering — because queens don’t just arrive, they make a statement. Paired with a matching royal blue monogram-print veil, this is not a prom look. This is a coronation.
Design Details
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Silhouette: Sculpted mermaid cut with a dramatic cathedral train — form-fitting through the bodice and hips, flaring into a voluminous 3D rose-embellished train
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Neckline: Sweetheart with off-shoulder 3D blue velvet rose and lace floral appliques blooming across the bust and shoulders — sculptural, romantic, and impossibly regal
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Sleeves: Dramatic long sheer sleeves entirely covered in matching royal blue crystal beading and sequins — adds editorial drama and full-arm coverage
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Bodice & Skirt: Royal blue lace and sheer mesh entirely covered in silver crystal rhinestones and sequins in scattered starburst and floral motifs — creates a full-body constellation effect
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Cathedral Train: Voluminous royal blue 3D rose-embellished cathedral train with custom white 3D floral lettering — a one-of-a-kind statement piece that photographs from every angle
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Veil: Matching royal blue monogram-print cathedral veil with crystal headpiece — completes the full royal editorial look
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Color: Royal blue and silver — rich, regal, and impossibly photogenic under golden hour sunlight and architectural backdrops
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Accessories shown: Crystal and pearl headpiece, diamond tennis necklace, crystal ball clutch, and rhinestone rings (sold separately)
Why You'll Love It
On the grand stone steps of a neoclassical State Capitol building with Beaux-Arts columns and arched windows, beside a white luxury SUV on the Capitol grounds, or leaning against a stone wall with your date in a matching royal blue embroidered suit — this gown was built for the moments that define your legacy. The 3D rose cathedral train creates a dramatic sweep that makes every photo look like a royal portrait. Pair with royal blue or silver strappy heels and diamond jewelry for a look that belongs on every "Most Iconic Prom Look" list — forever.
Sizing & Fit
- Available in standard sizes — custom sizing available upon request
- Model wears a size 10/12
- Structured sweetheart bodice provides built-in support; true-to-size fit recommended
- Cathedral train and veil are included; custom lettering shown is for display purposes — personalization available upon request
Care Instructions
- Dry clean only
- Store hanging to preserve 3D rose appliques, crystal beadwork, and cathedral train
- Handle veil with care to maintain monogram print integrity
Style No. BK4767 | LLELLA Prom 2026 Collection