Drew Barrymore was so worried about becoming a mother than she couldn't eat or sleep before the birth.
The actress-director gave birth to daughter Olive on September 26, and said she experienced a fortnight of jitters before the big day.
"I couldn't eat or sleep for two weeks, I was just so nervous!" she told People.
The 37-year-old revealed she wasn't prepared for the responsibility of becoming a parent: "You have the highest highs and yet you're facing the biggest fear of, 'How do I keep someone alive?'"
Drew, who said one of her favourite things is singing Good Morning from Singin' In The Rain to get Olive to smile, added: "It's like the biggest crush I've ever had in my life!"
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