Kyle Richards and Teddi Mellencamp weren't exactly thrilled to see their longtime friend and costar Dorit Kemsley file for divorce from PK Kemsley. "I mean, I felt terrible," Richards, 56, exclusively shared with Us Weekly at "An Unforgettable Evening" benefiting the Women's Cancer Research Fund on Monday,

Her husband, Paul "PK" Kemsley, was photographed kissing former "Amazing Race" contestant Shana Wall one day before.The Real Housewives of Beverly Hills' Dorit Kemsley is parting ways with her husband,

Dorit and PK Kemsley stay distant at their son's baseball game following her divorce filing, highlighting their strained relationship.