did angelina jolie struggled in her childood ?

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a hollywod star, " angelina jolie..", the famous actress, who flied up in the hollywood with brighter colours...is now on the top of the skies..! she is now on the top, with a fame and a name.., but i heard, that she struggled a lot in her childhood and also suffered a lot in her begining of the story...IS IT TRUE?? THIS QUESTION ALWAYS TROUBLES ME EVER AND EVER..! CAN U GIVE ME ANSWER FOR THIS?