"Women, in particular, are constantly pitted against and compared with each other."
The Duchess of York also opened up about her respect for Queen Elizabeth II after her falling out with the royal family.
The Duchess of York also shares what advice she gives her daughters about being in the public eye.
The Princess of York married Jack Brooksbank on October 12.
The prince had a sweet message for Fergie as she celebrated her 59th birthday in the wake of their daughter's nuptials.
The two were able to put their differences aside for Princess Eugenie's official royal wedding photos.
The mother of the bride appeared thrilled to have the royal ceremony behind her.
ET breaks down the Duchess of York's rocky relationship with the royal family.