These Summer Wedding Guest Dresses Are So Pretty They'll Make Your Heart Melt

Create your own standout look when you throw Mango's Puffed Sleeves T-Shirt ($30) over the Cutout Back Jumpsuit ($80), and shed your layers if you get too warm.

For more casual weddings, why not add a leather belt around your gorgeous flowing Gilda Dress from Fame & Partners ($299)?

If you love feminine frills, try the H&M Lyocell-Blend Tiered Dress ($80).

Let the silky ruffles that flow down the Amur Lemon Dress ($698) do all the talking, plus the matching ribbon you tie around your neck.

Deep red isn't just reserved for the Winter. You'll come off as sultry and sophisticated in the Self-Portrait One-Shoulder Cutout Midi Dress ($544).

This Zara Asymmetric Length Dress ($80) comes with the brightest florals in the bunch.

If you're a classicist who prefers black for all seasons, the La Ligne Frange Dress ($495) will be the perfect fit.

Cool blue shades are accented with a sash on the Diane von Furstenberg Asymmetric Sleeve Scarf Dress ($468).

Wrap yourself in blue silk with slinky straps in the H&M Long Chiffon Dress ($70).

The Reformation Foxglove Dress ($388) is all about the ruffled tiers.

Never will you feast your eyes on a more gorgeous wedding guest dress than this one. The Carolina Herrera Mikado Multistripe Organza Tier Gown ($6,990) comes with rainbow tassels that shake as you dance.

The sunshine-yellow COS Sleevless Dress With Pleated Waist ($125) makes for a tricky illusion. Everyone will think it's a top and skirt, but it's one easy, effortless piece.

The green and blue tones of the J.Crew A-Line Dress With Tie ($110) meet in perfect harmony.

The cold shoulders on the Club Monaco Auditta Maxi Dress ($209, originally $298) make it that much more noticeable.

If you're big into sleeves, the Zimmermann Winsome Tie-Dye Silk-Georgette Ruffled Dress ($702, originally $1,299) will be romantic enough for you.

You can absolutely wear white to a wedding when the Tibi Orla Cold-Shoulder Printed Silk-Crepe Midi Dress — Ivory ($537, originally $895) is covered in bright red blossoms.

Don't underestimate a plunging neckline. You can pull it off perfectly when you play it up with the florals on the Fame & Partners Blossom Dress ($299).

The wrap effect of the Rebecca Taylor Sleeveless Moonlight Pop Dress ($495) feels perfectly easy.

Get a load of the gorgeous embroidery on the one-shoulder Amur Felicia Dress ($548).

Go for a standout conscious piece in the H&M Jacquard-Weave Dress ($249).

For black tie ceremonies, you'll need to invest in something majestic like this Zac Posen Jacquard Gown ($2,097, originally 6,990).

If you're not into too much color, the midnight blue bodice on the RED Valentino Beach Pleated Midi Dress ($555, originally $1,850) will mute the splashy pattern on the skirt.

The Zimmermann Women's Winsome Tiered Gown ($979, originally $1,950) is black and white but not a touch boring.

You'll love the mod appeal of the J.Crew Pop-Stripe Dress ($80, originally $158). Add statement earrings and you're ready to go in a flash.

Nothing says casual Summer wedding like the stripes on the Fame & Partners Shiona Dress ($299).

Turn up the metallic shine in the textured M Missoni Geometric-Print Peplum Dress ($529, originally $813).

Go for electric kelly green in the Michael Kors Royal Fern-Print Faux Wrap Side-Slit Maxi Dress ($140).