"The minute I answered [the phone]…my heart just sunk in my shoes," Yolanda said on Tuesday's episode. "I knew something was wrong."
Her intuition was right on. Bella was arrested on Pacific Coast Highway near Los Angeles for drinking and driving.
"This reckless choice was so shocking and disappointing to me," Foster explained in her Bravo TV blog posted Wednesday morning after the episode aired. "I raised her as a single mom most of her life, so immediately I started to take it personally, blaming myself and doubting my parenting skills."