Throughout 'RHOBH' season six, Yolanda Foster's lyme disease was questioned. Can she provide proof of her diagnosis?

Does Lisa Vanderpump think Yolanda Foster is faking her Lyme disease? Lisa Vanderpump is unsure of Yolanda Foster's Lyme disease diagnosis. Why Does 'RHOBH' Star Yolanda Foster Spend The Majority Of Her Time In Bed? Although the reality star and restauranteur didn't come right out and say that her Real Housewives of Beverly Hills co-star was faking her illness, she admitted to having a few questions about the authenticity of Foster's diagnosis during filming on season six.

Find out who will be making a guest appearance (at least) during 'RHOBH' season six! Angie Simpson may not be a main cast member of The Real Housewives of Beverly Hills season six, but judging by a series of new photos, she did film for the show.

Yolanda Foster may be taking some heat on the sixth season of 'RHOBH,' but she's determined to stay positive.