Mother Of The Bride Wedding Guest Outfit. Floral Lilac New Look Dress UK Size 18 & George Formal Blazer Jacket UK Size 16, but Measurements are on the larger size. Approximate Measurements: Dress: Length from shoulder to hem 126cm Armpit to armpit laid flat 50cm Jacket: Length from shoulder to hem 74cm Armpit to armpit laid flat 59cm Please check measurements to ensure fit. Please take a look at my other items, selling other ladies Size 16-18 clothes on behalf of my Mum.