backless birthday dress Dresses - Low Back, Tie Back & Open Back Dresses as picture or custom color V Neck White Long Prom

Burgundy Tie-Shoulder Maxi, $89 This gorgeous floor-length burgundy maxi dress has a stylish neckline and long slit

One of the easiest ways to embrace this trend is with black jewelry that also adds a little sparkle such as necklaces, earrings, bracelets or hair accessories

Pink Floral Sweetheart Corset Tiered Short Ruffled Homecoming Dress Bust: Wear the bra you will be wearing with the dress, and pull the tape across the fullest part of the bust

But what does black tie mean in an age when everything seems to be casual or the standards of dressing seems malleable

Dr Paul Coxon, a physicist at Cambridge University, has tweeted that if the dress was combined with social media users' love of cats "the universe would explode"