Mackenzie Phillips revealed to Oprah Winfrey, that she had an incestuous relationship with her father, John Phillips, of The Mamas and Papas. The One Day at a Time actress stated that she ended the 10 year "bone fest" after she became pregnant with her now 12 year old son.....Wow, "show and tell" is going to be real interesting for her son's classmates...especially the part about his Mama and Papa!
