Grey Goose Cocktail Dress: Love It or Hate It? Leave it to premium spirit Grey Goose to have a fabulously designed cocktail dress as a uniform. Inspired by the vodka bottle, the dress was created by fashion designer Rachel Roy. Since Grey Goose is her official sponsor, the cocktail dresses, which are to be worn by the brand's spokesmodels at publicity events, will debut at her fashion show in September.