Mermaid gown boasts a sweetheart neckline, sheer corset-boned bodice, and detachable puff sleeves

Size US 2 / UK 6 / EU 32 US 4 / UK 8/ EU 34 US 6 / UK 10 / EU 36 US 8 / UK 12 / EU 38 US 10 / UK 14 / EU 40 US 12 / UK 16 / EU 42 US 14 / UK 18 / EU 44 US 16 / UK 20 / EU 46 US 16Plus / UK 20 / EU 46 US 18Plus / UK 22 / EU 48 US 20Plus / UK 24 / EU 50 US 22Plus / UK 26 / EU 52 US 24Plus / UK 28 / EU 54 US 26Plus / UK 30 / EU 56