Chynna Phillips: Why I Tried to Divorce Billy Baldwin
She held on, alright! After Chynna Phillips half-sister Mackenzie Phillips claimed she had a sexual relationship with their now-deceased father (John Phillips of the Mamas and the Papas) and fearing her 19-year marriage to actor Billy Baldwin, 47, was crumbling, the singer, 42, buckled from the stress and admitted herself into rehab due to the