Originally appeared on E! Online

Mandy Moore will never regret meeting her hero, Diane Keaton .

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The actress, who portrayed Keaton's onscreen daughter in the 2007 film "Because I Said So", paid tribute to the Oscar winner after her death on Oct. 11 .

"They say don’t meet your heros but I got to work with one of mine and even call her 'mom' for a few months," Moore wrote on Instagram alongside an image from the movie. "An honor of a lifetime."

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A spokesperson for Keaton, who is survived by kids Dexter and Duke, confirmed her death to People , noting no further details on her passing are available at this time.

"What an incandescent human Di is and was

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