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Mango Cocktail Dress

Mango Embroidered Tulle Dress

A sparkly sequin cocktail dress works for a wedding, holiday party or New Year's Eve. The long sleeves are balanced out by a V-neck, so even if you wear it with tights, you won't feel totally covered up.

Shop It! Mango Embroidered Tulle Dress, $250; mango.com

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Self-Portrait Cocktail Dress

Self-Portrait Ruffle Detail One-Shoulder Minidress

Bring the drama in a bold hue with ruffle detail. This bright blue cocktail dress, complete with festive print, is the epitome of party dressing.

Shop It! Self-Portrait Ruffle Detail One-Shoulder Minidress, $440; nordstrom.com

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Keepsake Cocktail Dress

Keepsake Odyssey Dress

A floaty forest green cocktail dress with flirty details (like ruffle trim, bow-tie waist, and velvet polka dots) is a playful pick worthy of any winter party.

Shop It! Keepsake Odyssey Dress, $235; shopbop.com

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Badgley Mischka Cocktail Dress

Badgley Mischka Collection Off-the-Shoulder Velvet-Trim Sequin Cocktail Dress

Does it get more festive — or glam — than a gold sequin dress? Spoiler alert: No. Your next black-tie-optional affair is basically begging for this sparkly style.

Shop It! Badgley Mischka Collection Off-the-Shoulder Velvet-Trim Sequin Cocktail Dress, $430; bergdorfgoodman.com

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J.Crew Cocktail Dress

J.Crew Cinched-Waist Dress in Chiffon

Meet your new office party/desk-to-dinner frock. Dress up this bright pink dress — that's also available in plus size — with metallic accessories like statement earrings and a gold clutch bag.

Shop It! J.Crew Cinched-Waist Dress in Chiffon, $128; jcrew.com

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Aqua Cocktail Dress

AQUA Flounce-Hem Leopard Print Dress

Animal print is arguably the season's biggest trend — and it makes major impact in the form of a long-sleeve mini dress. Just add black heels and you're good to go!

Shop It! AQUA Flounce-Hem Leopard Print Dress ($79, originally $88); bloomingdales.com

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Tadashi Cocktail

Tadashi Shoji Bell-Sleeve Lace Dress

Lace is a great way to cover up and show some skin at the same time. The lining of this berry lace dress gives the illusion of a sexy plunging neckline while the unlined bell sleeves are super flattering.

Shop It! Tadashi Shoji Bell-Sleeve Lace Dress, $408; bloomingdales.com

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Bronx Banco Cocktail

Bronx and Banco Suns Fit & Flare Dress

Another way to cover up without smothering yourself? An illusion neckline. With gold polka dots and playful ruffles, too, this long sleeve dress is pretty much party perfect.

Shop It! Bronx and Banco Suns Fit & Flare Dress, $322; nordstrom.com

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DVF cocktail dress

Diane von Furstenberg Front Twist Wrap Dress

Go bright or go home this season. A marigold yellow cocktail dress is on trend and evening appropriate.

Shop It! Diane von Furstenberg Front Twist Wrap Dress, $398; shopbop.com

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Rachel Roy Cocktail

Rachel Roy Collection Pleated Metallic Wrap Dress

Want to go glam without going over the top? A muted metallic dress in a '70s-inspired wrap silhouette is a sexy sophisticated option — and this one comes in plus size as well.

Shop It! Rachel Roy Collection Pleated Metallic Wrap Dress, $129; nordstrom.com