Barrymore was born in Culver City, California, the daughter of American actor John Drew Barrymore and Ildikó Jaid Barrymore , an aspiring actress born in a displaced persons camp in Brannenburg, West Germany to Hungarian World War II refugees. She is of Irish descent on her father's side through an ancestor, actor Maurice Costello.
Her parents divorced after she was born. Drew Barrymore's star on the Hollywood Walk of Fame
Barrymore's career began when she auditioned for a dog food commercial at eleven months old. When she was bitten by her canine co-star, the producers were afraid she would cry, but she merely laughed, and was hired for the job.