Although it's possible that Kyle Richards, Kathy Hilton, and Kim Richards aren't as close as they once were, that doesn't imply that their children have ended up hanging out together. The children of the famous sisters gathered together over the weekend to congratulate Kim's eldest daughter, Brooke Wiederhorn, on the news that she is expecting her third child. Nicky Hilton, Kathy's second eldest daughter, captioned an Instagram photo of eight of the older female Richards relatives laughing and hugging one other with the phrase, "When the cousin squad lines up to shower our newest addition ." In the front row, from left to right, were Kim's youngest daughter Kimberly Jackson, 27, Kathy's daughters Nicky, 39, and Paris Hilton, 41, Brooke, 36, who was expecting her first child, Brooke's younger sister Whitney Davis, 32, and Kyle's daughters Farrah Aldjufrie, 33, Sophia Umansky, 22, and Alexia Umansky, 26. They were mostly dressed in pink. Broo...