Kyle Richards and Mauricio Umansky on Why They’ll Never Renew Their Vows (Exclusive)

Kyle Richards and Mauricio Umansky chat with ET to celebrate their 25th anniversary cover of 'The Knot' magazine, which coincides with their very own 25th anniversary. The ‘Real Housewives of Beverly Hills’ couple reflects on the longevity of their partnership, and speak to how becoming public figures has changed how they treat their relationship. The duo also explain why they’ll never renew their vows. Plus, Kyle and Mauricio tease his guest appearance on her latest show, ‘The Real Housewives Ultimate Girls Trip,’ and how it ended with a ‘walk of shame.’ Kyle dishes on what filming the all-star mash-up series was really like (Ramona Singer’s many antics included) and why she left the trip feeling grateful for her ‘RHOBH’ cast and crew. Plus, Kyle responds to speculation that her sister, Kathy Hilton, is not returning for season 12 of ‘The Real Housewives of Beverly Hills.’ ‘The Knot’s 25th anniversary issue is on newsstands now, while ‘The Real Housewives Ultimate Girls Trip’ is now streaming on Peacock.