AceShowbiz -

Yolanda Hadid discussed her separation from David Foster. "The Real Housewives of Beverly Hills" confessed on "Watch What Happens Live" that she was caught off guard when the music producer decided to call off their marriage.

The mother of three felt "blindsided." She "didn't know until it was ended - until Nov. 15." The 52-year-old star added to Andy Cohen, "I didn't think that was the end of the road. I would have hoped to wait until I got 100 percent well."

When asked if her battle with Lyme disease played a part in the divorce, she said, "You can't underestimate how much it takes for a man to take care of somebody that's sick all of the time. David didn't change - I'm the one that changed. And, you know, I guess this is the outcome of that."

The Bravo reality TV star also came to her ex's defense against those who slammed him for leaving her. "I don't think anybody should criticize that," she said. Despite their split, she claimed, "We are in touch a little bit, here and there."

Yolanda Foster and David Foster announced their separation in December last year after four years of marriage. She then changed her last name back to Hadid to match that of her children from her previous marriage to Mohamed Hadid.