Theia size 8 formal wear, pink silk and lace midi length with keyhole back

Theia size 8 formal wear, delicate eyelash pink lace with silver metallic thread throughout . Underlay 100% silk strapless sweetheart neckline dress with integrated corset. Lace see through above sweetheart neckline with cap sleeves and Hidden zipper with beautiful keyhole back midi length, did not come with a belt though tag says there is one?