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You’ll be the second-best-dressed (after the bride, of course).

Unless otherwise specified, all sizes in this post are listed in women’s.

Promising review: "Perfect dress for a formal wedding. Fit perfectly. The fabric felt really nice, and I loved how it moved. Felt comfortable all night, honestly loved everything about it." —Amber S.

Get it from Lulus for $99 (available in sizes XS–XL and in 11 colors).

Promising review: "Truly obsessed with this dress. So comfy, wore for five hours straight while running around a venue and was comfortable the whole time. Thinking I should get another color." —Joy Danielle Roach

Get it from Amazon for $47.99+ (available in sizes XS–XXL and 37 colors).

Get it from Lane Bryant for $56.97 (originally $94.95, available in sizes 12–28).

Promising review: "This dress is beautiful!! I wore it for a beach wedding; it feels flowy and feminine. It seems to wear well on many different body types, so I purchased it. Thankfully, I did — would love another occasion to wear it again!" —summer evans steed

Get it from Amazon for $36.99+ (available in sizes S–XL and 32 colors).

Get it from Pretty Little Thing for $27.50 (originally $55, available in sizes 0–12).

Promising review: "This dress is spectacular. The sunflowers pop, the comfort is phenomenal and I received many compliments when wearing this dress. Great for work or for a summer party or event. It was perfect to pack for my work travel and was not wrinkled at all. LOVE IT." —Colette Vallee

Get it from Amazon for $24.99+ (available in sizes 16–24 and 13 colors/patterns).

Get it from Gap for $118 (available in sizes XXS–XXL and in three colors).

Promising review: "I am so very happy with this dress. I wore it to a friend's wedding and got so many compliments! It fits as expected per the size chart, but since the back is ruched elastic with a corset-type tie, you can adjust this to your liking. I had to cinch it pretty tight to keep it from sliding down my back (maybe some fabric tape would help). That said, I would NOT size down, as then it wouldn't fit in the waist. This dress offers great coverage in the back despite being a halter (I am wary of halter tops as they seem to have absurdly low backs, but not this one). I did wear this dress with a petticoat, but it can be worn without. It is well-made and a good medium-thick material, but still breathable for warmer weather." —Noxxie

Get it from Amazon for $29.99+ (available in sizes S–3XL and several colors/patterns).

Get it from Urban Outfitters for $59 (available in sizes XXS–XL and in five colors). 

Promising reviews: "I'm horrible about writing reviews, but I HAD to for this dress because it’s truly one of the most gorgeous dresses I own. I wore it for date night, but actually bought it for weddings. I’m a wedding photographer, and for my black tie/black dress-y weddings, this is perfect. It doesn’t fall, it’s comfy, it fits perfectly, and it’s modest (to me, lol, no cleavage spillage and not short). I love it so much, I ordered it in olive green as well, just to have!! It looks and FEELS a lot more expensive than it is. It’s an absolute gem and a steal. I’m already getting questions and link requests, haha. I got so many compliments when I wore out for date night. Gahhhh, if you’re on the fence, take this as your sign!!!!" —Betty Aceituno

"I wore this to my friend's rehearsal dinner and got so many compliments! It was a last-minute buy and worked out perfectly! The top has a material to keep it from falling down or constantly having to fuss with it. Color and design are super cute, too!" —Jenna Beck

Get it from Amazon for $40.99+ (available in sizes XS–XL and 31 colors).

Promising review: "I wore the orange one to my cousin's fall wedding, and I didn't want to take it off. It is SO COMFORTABLE! The material is nice, and I am considering buying another color. It can get a bit wrinkly, but I just threw it in the dryer for a bit and shook it out, and it touched up nicely. Buy it! You'll feel like a character from a Jane Austen novel." —Amazon Customer

Get it from Amazon for $35.99+ (available in sizes S–XL and in 32 colors/patterns).

Get it from Abercrombie & Fitch for $120 (available in sizes XXS–XXL and in seven colors).

Promising review: "This dress is beautiful! I am wearing it to a mountain wedding next week, and I am so excited to wear it." —D

Get it from Bloomchic for $29.61 (originally $32.90, available in sizes 10–30 and in six colors).

Promising review: "Bought and wore this for a wedding. It was perfect. Nice high neck and love the cross straps in the back. Shows off your back beautifully. Perfect mid-length, wore it with small heels." —Kerry

Get it from Quince for $149.90 (available in sizes XS–XL and in 10 colors).

Promising review: "This asymmetrical plus size dress is absolutely gorgeous! The asymmetrical design adds a stylish, modern touch that really stands out. The fabric is comfortable, breathable, and drapes beautifully without clinging in the wrong areas. I felt confident and comfortable wearing it, whether dressed up or kept casual. It hugs in all the right places and gives such an elegant look. Definitely a must-have for plus-size wardrobes. Highly recommend! 💕" —J Moore

Get it from Amazon for $39.99 (available in sizes L–4XL and in 18 colors and patterns).

Promising review: "I always get so many compliments on this dress. It can pass off as a wedding guest dress but then can also be worn for a dinner out! It is comfortable, and the pockets are everything. The length works for heels or sandals. Breathable material! Recommend!" —ColiesAmazonCloset

Get it from Amazon for $54.99 (available in sizes S–XL and in 18 colors and patterns).

Get it from Loft for $59.97 (originally $99.95, available in sizes XXS—XXL and petite options).

Promising reviews: "Worth the money!! So glad I bought this precious dress!! Looks like a much more expensive brand! Nice thick material, vibrant color, and a perfect fit! I wore this with my cowboy boots and got so many compliments! No stretch to the material, but it didn’t wrinkle." —Lisa Lambert

"Cute dress. Sleeves are structured and puffy. Perfect in the spring/summer but also great with high boots and a thin turtleneck in the fall... Very versatile."  —Shelly

Get it from Amazon for $35.14 (available in women's sizes S–L and nine colors).

Promising reviews: "Bought this dress because I always wanted to get the House of CB dress but didn’t want to pay over $250 for it. It’s honestly so good! I got the size large in this since they didn’t have my normal sizes, which are small to medium (I have a bigger chest, so I tend to size up). But since this has a corset back, I was able to cinch it up really tight, and it fit perfectly!" —Chris Herfurth Kennedy

"Beautiful, stunning perfection. This may be the best thing I've ever bought on Amazon. The corset in the back makes it fit like it was made for me. It's double-lined and not see-through at all, even though it's white. The straps are adjustable, the slit is a good height, and the fabric is slightly stretchy. I cannot say enough good things about it. It did come slightly wrinkly in the skirt, but nothing that a good steam won't fix." —Shoshanna

Get it from Amazon for $62.99 (available in sizes 0–14 and 23 colors/styles).

Get it from Old Navy for $29.99 (originally $49.99, available in sizes XS–4X and in four colors).

Promising review: "This dress is a showstopper! I ordered it for family pictures, and it didn’t disappoint. The material is super soft and not see-through at all." —daniel cowen

Get it from Amazon for $34.98 (available in sizes S–XL and 11 colors).

Promising review: "Great dress, very stylish, and so worth the money. I wore it to a wedding shower." —Mia 

Get it from Target for $35 (available in sizes XS–4X and in three colors).

Get it from Gap Factory for $39.99+ (originally $79.99, available in sizes XS–XXL and in four colors).

Promising review: "Great wedding guest dress. Love the fit and comfort, plus the length is perfect!" —Colleen 1

Get it from J.Crew for $59.50 (originally $148, available in sizes XXS–XXL and in two colors).

Promising review: "Picked this dress for Easter Sunday and it didn’t disappoint. Beautiful, flowy, elegant dress! The colors are beautiful, and it fits like a glove! I was very excited that it fit as well as it did. Might order it in another color soon."—Sunflowergal88

Get it from Torrid for $47.94 (originally $79.90, available in sizes 10–30 and in four colors).

Get it from Banana Republic Factory for $75 (originally $150, available in sizes XXS–XXL and in two colors).

Get it from Nordstrom Rack for $34.97 (originally $60, available in sizes S–XL and in three colors).

Promising review: "Breathable, lightweight and yet not see-through. I ordered the mint green and it’s stunning. I will order more colors!" —Nixon DeJesus

Get it from Amazon for $19.99+ (available in sizes S–XL and 26 colors).

Promising review: "This is the perfect dress, it's lightweight and very comfortable. I received many compliments." —Natalia Bravo

Get it from Nordstrom for $128 (available in sizes XS–XL and in 10 colors).

Get it from Asos for $125 (available in sizes 0–14).

Promising review: "It’s so soft! Perfect for a nursing-friendly wedding guest dress! Breezy enough for summer. The pink color is really cute. I got a size medium and it fits great!" —Cam

Get it from Amazon for $37.99 (available in sizes S–XL and nine colors).

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* These 27 Dresses From Amazon Are Cute, Inexpensive, And Perfect For Warm Weather

* If You Refuse To Wear Pants This Spring, Here Are 27 Beautiful Dresses And Skirts To Add To Your Wardrobe

* Springtime Dresses That’ll Make You Want To Twirl In A Field Like “The Sound Of Music”

Plus, finds from Anthropologie, Bloomchic, Boden, Lulus, Revolve, Target, Torrid, and Walmart.

The reviews for this post have been edited for length and clarity.

BuzzFeed Shopping is service journalism first: our writers and editors spend all day shopping so you don’t have to, vetting products, fact-checking brand claims, and surfacing what actually helps in real life. We center readers over revenue, recommend products with authenticity (using real experiences, not ad-speak), and reflect our diverse audience, inclusive of a variety of price points, people, and needs. We cut through fake deals, favor useful info over glossy fluff, and recommend both budget and splurge options with context so you can decide what’s right for you — and still have a little fun along the way.

Ellie Rudy has been writing for BuzzFeed Shopping for three years, focusing on viral skincare trends, the best home goods finds, and the styles everyone is talking about, and has written for publications such as Los Angeles Magazine, NBC News, Teen Vogue, and others.