Kate Middleton and Prince William 'going through hell' amid Princess of Wales' cancer battle, stylist says

As Kate Middleton continues to battle cancer, the Prince and Princess of Wales' "go-to" stylist says the family is going through a tough time. 

"I’m heartbroken at the moment, I think they are going through hell, I hope they will be back. It’s really personal," Amaia Arrieta, a clothing designer who has styled Prince George, 10, Princess Charlotte, 9, and Prince Louis, 6, told the Telegraph.

PRINCE WILLIAM, KATE MIDDLETON'S WEDDING ANNIVERSARY 'BITTERSWEET' AS THEY FACE 'GREATEST CHALLENGE'...