Paris Hilton marks the passing of her grandmother with an emotional tribute
an emotional tribute to one of her closest companions.MORE: Paris Hilton shares heartbreak after sad loss following fairytale wedding2 March marked the twenty year anniversary since the death of Paris Hilton's grandmother, Kathy Hilton's mother, Kathy Richards. Paris captioned a heartfelt video montage of sweet moments between the star and her dear grandmother with a lengthy tribute detailing just how close the two were.Paris explained that: "At this exact time 20 years ago at 3pm, I lost one of the most important people in my life to breast cancer." Kathy was 63.WATCH: Paris speaks candidly of her weddingMORE: Kathy Hilton reveals adorable details about Drew Barrymore and Paris Hilton's childhood togetherThe video starts off with clips of defining moments of the star's career, as a voice over of hers says: "I really believe that my grandma is up there making all this happen for me.