how old is kathy hilton?

best answer
Kyle Richards (half-sister) Kathleen Elizabeth Hilton ( née Avanzino; formerly Richards; born March 13 1959) 1 2 is an American socialite fashion designer actress and television personality. 3 4 5 She is the mother of socialite Paris Hilton and fashion designer Nicky Hilton 6 and the half sister of The Real Housewives of Beverly Hills stars Kim Richards and Kyle Richards .