Prom hair? By zara | June 27, 2010 - 9:16 am |June 27, 2010 What will you look like? Ok…So my prom dress is a straight/sleek satin black strapless gown(floor length) I have long, thick brunette hair… Should I wear it down in loose waves? Or in a simple updo? Tagged brunette hair, floor length, prom dress, satin, strapless gown, updo, waves. Bookmark the permalink.