battle dress uniform G.I. Shirt— Heavily Used this Rothco BDU shirt is your go British Battledress - Wikipedia

For an event like this, a casual look is a great choice

Fit & Features Denim fabric, stretchy knit shorts lining Strapless sweetheart neckline, non-slip grip lining Back zipper and hook-eye closure Skater silhouette Pleated mini-length hem Runs small More About Windsor at Hamilton Place Windsor is your fashion destination for finding the perfect on-trend dress, gown, or outfit for any occasion

She recommends getting your feet measured as feet tend to subtly change with factors like age, time and pregnancy

Thus, for those who are fans of emerald colour dresses, this one is just perfect

Sleeveless round neck ombre sheath dress with starburst detail