United Kingdom, May 3 -- Lisa Vanderpump has defended "good guy" PK Kemsley after his wife filed for divorce.

The 'Real Housewives of Beverly Hills' star Dorit Kemsley recently filed papers to end her 10-year marriage to the 57-year-old English businessman but 'Vanderpump Rules' star Lisa believes the pair had been having issues for a long time.

Speaking on 'Watch What Happens Live', Lisa said: "I actually knew that they, kind of, pretty much separated. I don't think they were being that honest on the show because we have mutual friends. We have mutual friends, and I think he was living in a hotel.

"For her saying he's a bad father, that's not OK with me. He's a good guy."

Last year on the show, Dorit, 48, claimed the pair had "toxic"...