People.com Entertainment TV The Real Sisters of Beverly Hills: See Kathy Hilton, Kim & Kyle Richards Before 'Housewives' Fame Take a look back at the sweetest throwback photos of RHOBH stars Kathy and half-sisters Kim and Kyle By Diane J. Cho Diane J. Cho Diane J. Cho was the Features Editor of PEOPLE Digital from 2019 to 2022. She worked at the brand for nearly four years covering news, features, human interest, evergreen, holiday gift guides and more. She launched the How I Parent and What It's Really Like to Be …. digital series and has interviewed several celebrities and influential leaders within the entertainment industry. Prior to joining PEOPLE, Diane worked at Bustle, VH1 and Complex. She received her bachelor's degree in Journalism from Rutgers University and her master's degree from Columbia Journalism School. People Editorial Guidelines Published on June 3, 2021 11:51 AM Share Tweet Pin Email 01 of 17 Daddy's Girls Youngest sister Kyle Richards shared a precious pic of herself, older sister Kim Richards, their dad Ken Richards and eldest sister Kathy Hilton playing in a pool in Bel-Air. The three sisters share mom Kathleen Richards, while Kyle and Kim share dad Ken. Prior to her marriage with Ken, Kathleen was married to Kathy's father, Larry Avanzino. 02 of 17 Beverly Hills Holiday Kathy, who looks exactly like daughter Nicky Hilton in this photo, poses with baby sisters Kim and Kyle at the Beverly Hills Hotel one Christmas. 03 of 17 Seeing Double Kyle and Kim are twinning in this joint headshot from 1982. 04 of 17 Big Hair, Don't Care The sisters rock fluffy bangs and one long braid alongside a teeny Nicky Hilton in 1989. 05 of 17 Match Made in Heaven The threesome are too cute in their coordinated outfits and knee-high boots. 06 of 17 Sister Love Kim shared this gem of herself and big sis Kathy from July 4, 1989, in Malibu. 07 of 17 Some Things Never Change Big laughs, bangs and lots of love — Kim and Kyle were as close as ever back in 1996. 08 of 17 Christmas with Ken The girls were definitely on the nice list, judging by the number of dolls they got on Christmas with Ken. 09 of 17 Doting Dads Kyle shared another photo of herself and her sisters with dad Ken, and wished husband Mauricio Umansky a Happy Father's Day in this slideshow tribute. 10 of 17 Sister Style Kyle and Kim totally owned the '90s heavy bangs trend. 11 of 17 Hidden Treasures Clean out your closets and you never know what you may find. 12 of 17 Family Affair The sisters and their daughters got together to celebrate Kim's daughter Kimberly Collette Jackson's graduation in 2013. 13 of 17 Holiday Tradition No Christmas is complete without the sisters getting together for a photo. 14 of 17 Hair Care The '80s were a time for questionable hair choices, but we think Kim and Kyle look too cute in this twinning pic. 15 of 17 Inner Circle When their mom Kathleen was sick, the sisters and their close friends (including Kris Jenner, left) and family gathered to surround her with love and laughs. 16 of 17 Seeing Stars There are benefits to having an older sister with really famous friends. 17 of 17 Knock Out Sibling rivalry never looked so fun.