Deep purple ombre party/formal/Homecoming dress

Absolutely beautiful strapless bubble/poof bottom dress in a deep plum purple/near black color w/ombre effect to a lighter royal purplish color. Very unique design w/ruching on the side giving way to bubble layers. Dress falls above the knee & has light boning to keep in place. Dress has optional straps but I haven't located them yet. -Size 9 -In excellent condition/worn only once -100% polyester -Approximate measurements: Top of back to hem 27"; Armpit to armpit 17"; Half waist 15"