BURBANK, Calif., Sept. 30 (UPI) -- U.S. singer Mindy McCready is defending "Celebrity Rehab" roomie Mackenzie Phillips, who recently revealed an incestuous relationship she had with her dad.
Phillips, 49, claims in her new book, "High on Arrival," that she and her late father, the Mamas and the Papas musician John Phillips, had a consensual sexual relationship off and on from the time she was 19 to 29.