Is Little Gloria... Happy at Last coming back?

Based on the book by Barbara Goldsmith, it tells the story of the real-life heiress Gloria Vanderbilt and how her parents met and married. Gloria Vanderbilt was left a very rich girl at the age of eighteen months when her father died. When Gloria was ten, her mother, Gloria Morgan Vanderbilt, contested the child's custody with little Gloria's aunt, launching one of the most notorious court cases of the last century.