Did you see this on a or a social media post ? Providing a bit more context could help me track down exactly what you're looking for!
There are no public records of a business or collaboration between and a brand called "Proper Paper." It is possible you are thinking of her sister, Kathy Hilton , who is well-known for her social stationery and entertaining style, or perhaps a different celebrity. kylie richards
: A luxury resort-wear and loungewear collection that often features heavily on the show. Did you see this on a or a social media post