bodycon dress long sleeve Ashton Off Shoulder Velvet M / 6-8 This beautiful velvet bodycon mini sits perfectly off the shoulder giving a timeless and chic look Floor-Length Bodycon Dress with Zipper

You can also keep the theme broad and let everyone dress according to their favorite genre

Orange Satin Sheath One Shoulder Maxi Bridesmaid Dress Bust: Wear the bra you will be wearing with the dress, and pull the tape across the fullest part of the bust

I think you could play around and size up depending on you personal comfort levels

Short rose-print stretch cotton rush-stitch dress: Multi-colored Square neckline Sleeveless with shoulder straps Stretch silk satin lining Rear zipper and hook-and-bar fastening The piece measures 50 cm from the waist down on a size IT 40 The model is 175 cm tall and wears a size IT 40 Made in Italy External composition: 47% Cotton 38% Viscose 14% Linen 1% Spandex Internal composition: 92% Silk 08% Spandex