Kathleen Elizabeth Hilton (née Avanzino; born March 13, 1959)[1][2] is an American socialite, fashion designer, actress, and television personality.

[11][12] In June 2021, Diane Cho of People called her "already a Real Housewives of Beverly Hills legend", writing: "Bravo's only mistake in casting Kathy Hilton on the show is that they didn't do it sooner.

[14] In January 2024, it was announced that Hilton would be making a special guest appearance, for the thirteenth season reunion of The Real Housewives of Beverly Hills.

[18] In 2011, alongside her two daughters, she received an award from the Starlight Children's Foundation at its 'A Stellar Night' Gala in Century City, Los Angeles.

[19] Since 2012, she has designed the Kathy Hilton Collection of party dresses, sold in four hundred stores worldwide, including Neiman Marcus, Saks Fifth Avenue and Nordstrom.

[6][20][21][22][23][24] In December 2020, Hilton and her daughters Paris and Nicky, modeled new Valentino 2021 resort collection in a photo series for Vogue.

[25] In September 2021, Hilton appeared in Oscar de la Renta's New York Fashion Week campaign, hailing a taxi wearing the latest collection on a busy Manhattan street.