Hilton was referring to Lisa Rinna and Erika Jayne, with whom she has had disagreements. Later in Season 13 of the programme, it is said that Hilton had an outburst that caused Rinna to lock herself in the space. Rinna said on the show that she suffered from PTSD due to the incident in which she claims Hilton made derogatory remarks about her co-stars, including Kyle Richards' real-life sister.
\
\
\
\
\
\
