Cara Delevingne's mother thinks she is "crazy".

Cara Delevingne

Cara Delevingne

The 23-year-old model-and-actress - who is dating musician St. Vincent aka Annie Clark - has always been "different" but Pandora Delevingne thinks the 'Paper Towns' star is very "wise and sensible".

Pandora said: "Cara is crazy like me, but she also makes very wise decisions.

"She is actually very sensible but she was always different. She only ever wanted to wear football strips and camouflage trousers when she was growing up."

And Pandora feels blessed that all her daughters, who she has with husband Charles, are so different from one another.

She added: "Poppy is so beautiful and ethereal. When she walks into a room, every head turns.

"And Chloe is a wonderful mother and is brilliant with her children, which I'm thrilled about."

Though her daughters are grown-up now, the personal shopper - who struggled with a heroin addiction when the trio were children - can't stop worrying about them and their busy lifestyles.

She said: "I worry about them all the time. The lives they lead are so frenetic and stressful. They're always flying around the world and call from Los Angeles and Brazil and Japan.

"I worry if they're safe and being looked after, if they're being treated well, if directors are being decent, if they're having enough time off. You worry about burnout."

Pandora has been writing her autobiography and found the experience "cathartic", but ultimately credits her children for making her the person she is today.

She told Grazia magazine: "It's about a young girl who grew up in a privileged background and what went wrong. Writing it was incredibly cathartic. I hope it can help people. If it helps one person get off drugs, I'll be happy.

"What helped me was my friends and family. I am what I am today because of my children. As a mother you're meant to teach your children. But, in fact, mine have taught me about life. I'm proud of them."