The most expensive red carpet dress ever worn is worth almost 8m The red dress zipped Anastasia (Dakota Johnson) in Fifty shades darker Spotern Fifty Shades Of Grey actress Dakota Johnson heats it up with a red one shouldered Saint Laurent gown with a glittery, rope y accent. Meanwhile, actress Anna Kendrick shows up looking glam in a Anastasia Steele Short Pink Dancing Dress Fifty Shades Darker LausenCrafts 15+ of the Most Expensive Dresses Celebrities Have Ever Worn