Mother-in-law is my role model: Drew Barrymore

'Charlie's Angels' star Drew Barrymore says her mother-in-law Coco Kopelman is her muse and has taught her how to be a good wife and mother.

The 38-year-old actress, who has a 11-month-old daughter, Olive, with her husband Will Kopelman, credits his mother for teaching her how to be a good person, reported us magazine.

"She is the best. My mother-in-law is actually my muse, just on how to be a person and a wife and a mother," Barrymore said.

The actress, who had a troubled childhood, is very close to all of Will's family and revealed her sister-in-law Jill is throwing Olive's first birthday party on September 26.
 

"We have a little party going on for her, a little first birthday that my sister-in-law is throwing. I'm like Jill, take over," she said.