Reformation Small Sidney Black Sequin Halter Mini Dress. Great condition! Gorgeous sequin dress for special occasions. 29.5 inches length from top of neck to hem 16 inches across bust 13.5 inches across waist Just in time for the holidays! The Sydney sequin dress from Reformation is a fitted sequin mini dress featuring a sexy halter neckline. Tags: christmas party, holiday, new years, nye, casino royale, disco, paillettes, club, rave, sexy, short, clubbing, girls night out, cocktail, date night, black tie, formal, dressy, festive, black, neutral, shine, shimmer, backless, fall, winter, spring, summer, transitional, prom, formal, wedding guest, event, vegas, miami, la, los angeles, nyc, new york, beach, vacation, europe