When Mackenzie Phillips alleged in her book, "High On Arrival," that she and her father, John Phillips, had a 10-year sexual relationship, her former stepmother, Michelle Phillips, and half-sister, ...

Chynna Phillips Baldwin is pickin’ up good vibrations from her loved ones. The Wilson Phillips singer recently reunited with her half-sister, Mackenzie Phillips, at a memorial held for The Beach Boys’ ...

Mackenzie Phillips, 65-year-old daughter of ’60s Mamas and Papas’ musician John Phillips, has made a rare public appearance—and outlets have since used the opportunity to rehash her salacious claims ...