Jackie Collins Kept 7-Year Cancer Battle a Secret, Even from Her Famous Sister Joan

Playing Jackie Collins' Last TV Appearance Just Nine Days Before Dying of Cancer

Jackie Collins gave her last TV interview just nine days before she died. She appeared on a British talk show Loose Women, and she said not one word that she knew she was about to die.

Read: Rita Wilson Reveals Breast Cancer Battle

News of the 77-year-old's death over the weekend stunned friends, fans and even family.

The best-selling author kept her seven-year battle a secret even from her famous sister, the actress Joan Collins.

Joan was informed just two weeks ago.

Read: Student Chorus Brings Teacher to Tears After Breast Cancer Diagnosis

Joan has been taking to Twitter to express her grief:

Jackie's prolific career spanned four decades.

More than 500 million copies of her racy books have been sold around the world.

She was diagnosed with stage four breast cancer six-and-a-half years ago after ignoring a lump in her breast for two years.

Watch Below: Dog Dying of Cancer Gets to Experience the Beach for First and Last Time