Demi Moore Pulls Out of 'Lovelace'

1/24/2012 6:30 PM PST

Demi Moore has dropped out of her upcoming movie, "Lovelace," TMZ has learned.

Demi's reps tell us ... they just got word she will no longer do a cameo for the flick.

TMZ broke the story ... Demi was rushed to the hospital Monday night for a substance abuse problem. She is currently receiving professional help at a treatment facility.