NEW : John Philips says she slept with Mackenzie Phillips the night before her wedding . ` One Day at a Time '' co-star Valerie Bertinelli also appears on the Winfrey show in support of Phillips . NEW : Mackenzie Phillips says relationship grew consensual ; father proposed moving to Fiji . The former child star has led a troubled life . She was arrested in 2001 on suspicion of drug possession .
NEW : John Philips says she slept with Mackenzie Phillips the night before her wedding . NEW : Mackenzie Phillips says relationship grew consensual ; father proposed moving to Fiji . The former child star has led a troubled life . She was arrested in 2001 on suspicion of drug possession .