Yolanda Foster is healthier than she's been for months -- and feistier too! RadarOnline.com has learned that the RHOBH star plans on confronting Kyle Richards on camera soon and spilling secrets about her sister Kim Richards' recent relapse.
According to a source close to Foster, the blonde beauty is furious with Kyle "for not defending allegations from Taylor Armstrong questioning if Yolanda ever had Lyme disease."
"Yolanda found out that Kyle didn't tell Taylor that she had been struggling with Lyme disease, when Taylor said she thinks Yolanda is faking the diagnosis for attention."
So now, said the source, Foster plans to hit Kyle where it hurts. Although the RHOBH ladies have avoided discussing Kim's troubles out of respect for Kyle, "Yolanda is no longer going to abide by that," said the source. "She will accuse her of being a terrible sister for not being more there for Kim during her struggles."
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"Yolanda has held a lot of secrets over the years, so expect the fireworks."
Foster will film her scenes "in the next week," the source revealed. "She will hold nothing back, and other cast members could be the target of her anger!"
Up until now, Foster had been very reluctant to return full time to the show. "She feels that producers have pitted the ladies against her regarding the Lyme disease diagnosis," an insider previously told Radar.
But with her health improving, "Yolanda is now firing on all cylinders again," said the source. "You don't want to mess with her! She will use RHOBH to continue to raise awareness for Lyme disease, and finding a cure. She doesn't want anyone else to go through the hell she has."