The boutique that has the BEST prom dresses in Massachusetts., , Bettyonces Boutique, Inside South Shore Plaza Mall in Braintree Mall , 2nd Floor above Target, across from The North Face, POV: you chose pink and stole the spotlight Style CC3902 crystal beaded corset, soft tulle shimmer, and a high slit for that perfect prom walk. flirty, sparkly, and so main character. #PromDress La Femme Dress 33202 Mermaid Spaghetti Straps Corset Pink Long Prom Dress with Slit PSK617 Pgmdress