Kathy Hilton Admits She Got 'Cranky' With Sister Kyle Richards On 'RHOBH': 'It's My Fault'

Kathy Hilton chatted with Access Hollywood about making her highly-anticipated return to "The Real Housewives of Beverly Hills" and revealed why she didn't film the season's first 10 episodes. Kathy also opened up about her drama with her sister Kyle Richards and gave an update on their relationship. Plus, she opened up about attending Britney Spears' wedding with daughter Paris Hilton.