brown party dress Short A-Line with Strappy Open Back Sienna / Small Elevate your evening with this Brown Mermaid Court Train Prom Dress Brown Dresses | Chocolate Dresses
Description
As for the straps, they are elastic and are not adjustable
Use code MARNIExSPANX to get 10% off and free shipping on the dress

Elsewhere, if you still want to look glam but are happy to let the disco balls steal the show, aforementioned fabrics like satin, tulle, lurex and velour are the way to go

Add an optional shelf bra with exposed or enclosed elastic
For something more casual, you could try this Wrap-Waist Maxi Dress from Banana Republic Factory for $150 with an extra 20% off at checkout