Aged 46, size 8. Wedding in Sept. Is it a bit prom like, youthful, mutton / lamb? [[https://www.net-a-porter.com/en-gb/shop/product/self-portrait/clothing/midi-dresses/guipure-lace-midi-dress/31840166392379754 https://www.net-a-porter.com/en-gb/shop/product/self-portrait/clothing/midi-dresses/guipure-lace-midi-dress/31840166392379754]]