Yolanda Hadid slammed David Foster for being unsupportive during her Lyme disease battle. Does Yolanda Hadid regret taking aim at her former husband, David Foster, in her new memoir, Believe Me: My Battle with the Invisibility of Lyme Disease? Earlier this week, the former Real Housewives of Beverly Hills star appeared on an episode of Watch What Happens Live and explained her reasoning behind her shocking comments about Foster.