#29: Kyle Richards and Mauricio Umansky

Duration of Relationship: 27 years (1996–2023)

The breakup between Kyle Richards and Mauricio Umansky in 2023 shocked fans. The couple had been married for over 27 years and were known for their strong bond on The Real Housewives of Beverly Hills. Rumors of infidelity and growing tensions began swirling as they announced their separation.

Despite their challenges, Richards and Umansky remained committed to co-parenting their daughters and maintaining friendships. The split was described as mutual, but the couple’s long history together once thought unshakable, made the news all the more surprising, leaving viewers and fans speculating about what went wrong behind the scenes.