Amazon's Fanciest Dresses Are Equal Parts Formal and Fun

Available in blue and champagne, Fame and Partners' The Jami Dress ($299) is super sexy with a front slit, faux wrap style, and halter neck.

Made of midweight, nonstretch lace, Alexis's Umbria Dress ($795) has a gorgeous tiered skirt and faux-pearl embellishments on the sweet tie straps.

Self Portrait's Liliana Dress ($490) is sure to catch attention with its bold blue lace, sheer mesh panels, and contrast collared neck.

A classic shape with modern embellishments, BB Dakota's Metallic Star Dress ($120) is equal parts sweet and chic.

There's so much to love about the For Love & Lemons' Dynasty Dress ($193), including its all-over lace with diagonal pleating and metallic accents, bow waist, puff one shoulder, and of course, its bold hot pink color.

Beautiful sequined floral embellishments make Needle & Thread's Wildflower Dress ($570) a true showstopper.

We love the gorgeous rose color of Cinq a Sept's Winona Dress ($645), a satin dress with a ruched mock neck, tie waist, and ruffle hem.

Made from soft, lustrous velour, Yumi Kim's Goddess Dress ($248) is classic with a twist, thanks to asymmetrical shoulder straps — one draped cowl neck and one spaghetti.

In a lovely teal color, Marchesa Notte's Mixed Media Gown ($1,195) will truly make you the belle of the ball. The intricate dress features a tulle draped structured bodice, mixed satin and tulle ruffles on an A-line skirt, and a decorative velvet bow at the waist.

OPT's Metallic Vimmy Dress ($169) is a contemporary take on '70s style with a tiered skirt, off-shoulder neckline, and short sleeves with elastic cuffs.

If you love the sweet front of For Love & Lemons' Emerie Dress ($268), you're really going to fall for the back.

KamaliKulture by Norma Kamali's Sequin Dress ($395) will never go out of style. The bodycon dress is made of a midweight sequin knit and features a turtleneck, long sleeves, and a flounce hem.

A bold one-shoulder neckline with a decorative bow and tie waist add to the fun of Misha Collection's Moxie Leopard Dress ($380).

All-over floral embroidery and lace trim make Needle & Thread's Midsummer Dress ($489) so special. We also love the plunging v-neck and back and ruffled short sleeves.

The high-low hem makes a chic comeback in Temptation Positano's Prato Dress ($565). Crochet detailing and a smocked elastic waist add to the appeal.

A metallic floral print and deep v-neck in Ramy Brook's Metallic Jacquard Dress ($465) elevate an easy-to-wear dress.

A thigh-high slit adds to the sexiness of the Misha Collection Tamara Dress ($440), made of a heavyweight sequined weave with a bit of stretch.

Maria Lucia Honan's Keona Dress ($1,355) has embroidered polka dots and a sheer boned bustier bodice with underwire cups with removable padding.

Fun and flirty in fuchsia, Self Portrait's Flower Lace Mini Dress ($450) is made of nonstretch lace with floral appliqués and ruffle trim.

Made from midweight sequined mesh, Needle & Thread's Scarlett Sequin Dress ($299) has a flattering peplum silhouette with ruffle trim and a flounced hem.

Featuring an all-over light-blue-and-black abstract animal print, Solace London's Marne Dress ($413) is '80s fab at its best. A mock neck with attached extra-long ties gives it extra style points.

Sparkles and tulle combine in the dreamiest way in Marchesa Notte's Degrade Gown ($795), named for its sequin effect.

Black Halo's Darby Dress ($375) is unique with a one-shoulder design and a princess sleeve with an elongated cuff and collar tie.

Dion Lee's Pleated Corset Dress ($1,074) is ethereal with an edge, thanks to a boned bodice and a pleated skirt with an asymmetric hem.

C/Meo Collective's Lustre Cut-Out Dress ($163-$200) is simple and chic. A sequin stripe pattern, side cutouts, drape detailing, and side slits add up to one special dress.

We can't decide which element of Thurley's Folklore Print Dress ($348) we like best — the balloon sleeves, peplum skirt, or the lace-up bodice and shoulders.