Hi Brides! I've not seen any requests asking for underwear help so thought I'd be brave anonymously I'd appreciate some guidance on underwear for my backless plunge dress with illusion sides Types of Shapewear to Wear With a Backless Dress and Other Helpful Tips Backless Thong Bodysuit What to Wear Under a Strapless Dress What kind of underwear would you wear with a dress like this? : r weddingplanning Sheer Backless Dress Avec Amour Borderfree Silk backless dress and a matching thong. Notice how the thong has a little bit of ribbed cotton on the leg opening so that it has a tiny bit of stretch #