The 23-year-old actress has decided to reduce her work load after checking into rehab last month and as a result has decided not to appear in 'A Woman of No Importance'.
Lohan's publicist said: "She has decided not to push herself."
This is the second project the two actresses have been supposed to shoot together.
Bening was originally cast as Lohan's mother in 'Freaky Friday' before a scheduling problem forced the 'Being Julia' star to pull out.
Lohan is currently being treated at the Wonderland Center, in Los Angeles, for alcoholism.
Earlier this week, it was reported that Lohan is craving sex and burgers in rehab.
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