Mackenzie Phillips, 66, told Fox News Digital that during lunch breaks on the set of 'One Day at a Time,' she and co-star Valerie Bertinelli would drive to her house, get in the pool, drink wine, and snort cocaine. Phillips clarified that Bertinelli has spoken openly about that period and did not have the same level of addiction as Phillips. The former child star said drugs were also present behind the scenes of the sitcom.
mackenzie phillips (66) told fox news digital that during 'one day at a time' lunch breaks, she and valerie bertinelli would go to her house, get in the pool, drink wine, and snort coke. phillips said bertinelli has talked about it openly and didn't have the same addiction she did. drugs were around the set too.
Story fills a coverage gap in drama (underrepresented at 16% vs 12% recent) and provides a specific, checkable claim from a single source (Fox News Digital), though corroboration is lacking.
The revelation adds a candid, personal layer to the history of a beloved 1970s sitcom, highlighting how substance use was normalized in Hollywood even among young stars. Phillips' openness continues a pattern of former child stars speaking out about the industry's darker side, from addiction to exploitation. It also underscores the lasting impact of addiction, as Phillips has been public about her own struggles.
another candid look at how normalized drugs were on classic tv sets. phillips and bertinelli's story fits a pattern of former child stars unpacking the industry's dark side. it's a reminder that addiction doesn't discriminate, even on a wholesome sitcom.
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