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    Shop 2026 ANNAKOO Halter Black Sequin Trumpet Mermaid Prom Dress Under 279
    Shop 2026 ANNAKOO Halter Black Sequin Trumpet Mermaid Prom Dress Under 279
    Shop 2026 ANNAKOO Halter Black Sequin Trumpet Mermaid Prom Dress Under 279
    Shop 2026 ANNAKOO Halter Black Sequin Trumpet Mermaid Prom Dress Under 279

    Halter Black Sequin Trumpet Mermaid Prom Dress

    $250.32

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    ANNAKOO · EVENING EDITION

    OBSIDIAN NOIR

    A HALTER SILHOUETTE IN BLACK SEQUINS

    ANNAKOO black sequin halter trumpet mermaid prom dress, front view

    Sculpted lines · All-over shimmer

    A Little Black Dress, Reimagined for the Spotlight

    Make an entrance in a black sequin prom dress designed to bring drama through shine and shape. The halter neckline creates a sleek, defined upper silhouette, while the trumpet mermaid cut follows the figure before opening into a more expressive skirt. Rich black sequins catch the light with every turn, giving this gown a polished evening presence without relying on extra color or ornament.

    The Design Notes

    01 / NECKLINE

    Halter

    02 / TEXTURE

    Black Sequins

    03 / SILHOUETTE

    Trumpet Mermaid

    ANNAKOO black sequin halter mermaid prom gown, alternate view

    The After-Dark Edit

    One Shade. A Thousand Reflections.

    Black sequins bring dimension to a classic evening color, creating a shifting surface of highlights under ballroom lights, camera flashes, and candlelit settings.

    Style it with understated earrings, a slim bracelet, and black or metallic heels. Let the halter neckline and shimmering finish remain the focus.

    Where to Wear It

    Prom night, formal dances, evening celebrations, and special occasions calling for a sleek, high-impact look.

    How to Style It

    Choose a polished updo or swept-back hair to complement the halter neckline. Keep accessories streamlined and try a small clutch for a balanced finish.

    AT A GLANCE

    COLOR Black
    NECKLINE Halter
    SILHOUETTE Trumpet Mermaid
    EMBELLISHMENT Sequins

    BEFORE YOU ORDER

    Frequently Asked Questions

    1. What makes this black sequin prom dress stand out?

    Its combination of a halter neckline, all-over sequin look, and trumpet mermaid silhouette creates a defined, evening-ready appearance. The black color keeps the overall effect sleek while the sequins add visible sparkle.

    2. Is a trumpet mermaid silhouette suitable for prom?

    Yes, it is a popular choice for shoppers who want a more contoured look than a full A-line skirt. Since the fit is more shaped through the body, check the size chart and garment measurements carefully before ordering.

    3. How should I choose the right size?

    Measure your bust, waist, and hips and compare them with the current ANNAKOO size chart. For a fitted mermaid gown, hip measurements and the intended length are especially worth checking. If you fall between sizes, contact customer service before placing your order.

    4. Can I request a custom size?

    Custom sizing may be available through the product's ordering options. Confirm the measurements requested and any custom-order requirements with ANNAKOO before checkout. Custom sizing does not automatically guarantee that no alterations will be needed.

    5. What accessories pair well with the halter neckline?

    Drop earrings, a cuff bracelet, and a compact evening bag work well without crowding the neckline. A sleek ponytail, bun, or swept-back hairstyle can also keep attention on the halter shape and the sequin finish.

    6. Is the dress suitable for events other than prom?

    Its black sequin finish and formal silhouette can also suit evening parties, school formals, and other dressy celebrations. Check the dress code and venue requirements to make sure the level of sparkle and formality is appropriate.

    7. How much time should I allow for delivery?

    Allow time for order processing, any required tailoring, shipping, and possible alterations. Production and delivery estimates can vary by item, destination, and shipping method, so check the current product page and checkout information before choosing an event deadline.

    8. How should I care for a sequin evening gown?

    Follow the garment's care label and avoid rubbing the embellished surface against rough materials. Store the dress in a garment bag with enough room to prevent snagging, and ask a professional cleaner experienced with sequined formalwear about suitable cleaning methods.

    ANNAKOO FORMALWEAR

    Confident in black. Unforgettable in sequins.

    How To Measure

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