HANSEN & GRETEL Cosmo bubble sleeve mini dress in watermelon - NWOT original price $299 Excellent new condition. I bought this from someone on poshmark but it doesn’t fit me! The Cosmo Dress is H&G's stunning bubble hem and sleeve mini dress cut in an iridescent taffeta fabrication that catches the light from every angle. The v-neckline and un-gathered bust panels help to balance out this voluminous style. Pair back with your favourite heels for you next event and feel stunning in this statement piece.