Party dress that looks expensive -Mettalic Twist Dress

Size UK 16/ EUR 44/ US 12 UK 14/ EUR 42/ US 10 UK 8 / EUR 36 / US 4 UK 10 / EUR 38 / US 6 UK 6 / EUR 34 / US 2 UK 22 / EUR 50 / US 18 UK 12 / EUR 40 / US 8