coast black strapless dress Jenni Kayne Opt for a sleek Coast Women's Bandeau Crepe Satin

Vintage Wide Brim Warm Wool Fedora Hat, $23, Amazon 8 Sandy from "Grease" Fotos International Images Start practicing your best "tell me about it, stud" now, because this easy all-black costume is a Halloween must

On its own, the square-neck satin sheath gown offers a sleek and modern look, but pair it with the puff-sleeve tulle overlay and you'll get a touch of vintage charm you're sure to love

Designs can range from subtle and romantic to daring and fashion-forward

Choose a neutral color like black or beige, and opt for a trendy oversized fit or cute cropped style that wont overshadow your dress

Look for an LBD with interesting details like cutouts or puff sleeves