Mackenzie was recently featured on E!'s E!'s True Hollywood Story.
Mackenzie has recently been doing several stage plays, including The Vagina Monologues.
Mackenzie's stepmother is Michelle Phillips.
Mackenzie said she fell to the floor and thanked God when Disney offered her the part of Molly Phillips in So Weird.
Mackenzie was born on the same day as ESPN anchor Linda Cohn. She also shares a birthday with the following celebrities: Brittany Murphy, rapper Warren G, SNL alum Tracy Morgan, Heather Matarazzo, singer/actress Eve, Jack Scalia, Sinbad and Roy Scheider.
Mackenzie was named in honor of her dad's friend and songwriting/performing partner, Scott MacKenzie, whom he played with prior to The Mamas & The Papas in a band called The Journeymen. John Phillips & Scott MacKenzie co-wrote the big `60s hit "San Francisco" (Be Sure To Wear Some Flowers In Your Hair) which Scott MacKenzie recorded and made into a worldwide hit and they also co-wrote the big `80s hit "Kokomo" for The Beach Boys from the movie "Cocktail". Scott, John & Mackenzie herself also worked together in the reformed The Mamas & The Papas in the `80s & `90s at various times with Scott replacing original member Denny Doherty.
Mackenzie has been clean & sober since January 27, 1992.
Mackenzie is the half-sister-in-law of William (Billy) Baldwin.
Mackenzie is the aunt of 'Jameson Leon Baldwin' .
Mackenzie skipped a grade in elementary school.
While shooting So Weird in Vancouver, Mackenzie was the legal guardian of co-star Patrick Levis until he turned 18.
Mackenzie is the half sister of Bijou Phillips, Chynna Phillips and Tamerlane Phillips, and the sister of Jeffrey Phillips.
Mackenzie sang in her father's music group "The Mamas and the Papas" when they made a come back.
Mackenzie has been in rehab several times for drug and alcohol addiction.
Mackenzie once had a once night stand with Mick Jagger.
Mackenzie has a son named Shane.
Mackenzie is the daughter of musician and leader of The Mamas and the Papas, John Phillips.