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Diane Keaton -- famed actress, director and producer -- has died.

The legendary Hollywood actress who starred in tons of hit movies died in California ... according to PEOPLE .

Diane's cause of death is unclear. Getty

Her movie credits are impressive ... "Something's Gotta Give," "First Wives Club," "Father of the Bride," "Annie Hall," "The Godfather," "Book Club," "Baby Boom," "Hanging Up" and on and on.

She became famous way back in the 1970s after appearing in the 'Godfather' franchise and working with director Woody Allen .

Diane won an Oscar for Best Actress for her work in 1977's "Annie Hall" where she starred alongside Woody.

She was born in Los Angeles in 1946 and was the oldest of four children ... and her first movie was in 1

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