asos maxi dress DESIGN high neck slinky with ruched skirt detail in charcoal this dress features a flattering square neck and adjustable straps for a customised fit ASOS Design One-Shoulder Draped Maxi

How about when it's very warm

Size Range: XXS-XL Christina Wu Celebration Chiffon Sweetheart Neckline Fit-And-Flare Gown Made from lightweight chiffon, this sleeveless yellow bridesmaid dress with a flowing tie at the waist will look gorgeous at a variety of weddingsfrom semi-formal nuptials to more casual "I do's." The deep V-neckline and leg slit are sultry but still appropriate

Boutique-Looking: This elegant embroidered mini will have all your co-workers thinking you shop high end, while really just spending $54

Trains can be fine for formal weddings, but keep them simple, again matching the style of the wedding