There is no jealousy between William and his wife, unlike his parents Prince Charles and Princess Diana.
The recent investigation concluded that Martin Bashir had used fake documents and deceitful methods to convince Diana to do the interview.
BBC has promised to review its editorial policies amid continued criticism over the interview.
The journalist said he "never wanted to harm" the Princess of Wales with the Panorama interview.
Hall admitted that the probe "fell well short of what was required", and said he was "wrong to give Martin Bashir the benefit of the doubt".
Harry compared his mother's relationship with Dodi Fayed, an Egyptian film producer who died with her in the car crash, to that of his and Meghan.
"My mum would be incredibly proud of me," the Duke of Sussex said of Princess Diana.
William spoke of the false narrative built about the royal family due to the interview, while Harry noted such practices are still widespread today.
The BBC has also returned all the awards it received for the interview including BAFTA, and Bashir has also issued an apology.
Simone Simmons says the journalist lied and "conned" the princess into doing the Panorama interview.
The dress had an iconic 25-foot (7.6 m) train , designed according to the bride's wishes who wanted it to have the longest train in the royal wedding history.
Diana's former voice coach also said now would be the right time to release the book because of "all the things that are going on with Harry and Meghan."
Just days after Bashir's resignation, BBC delayed the broadcast of a Panorama investigation into the 1995 interview.
The Prince of Wales proposed to the granddaughter of Lord Mountbatten, who is Prince Philip's uncle.
The statue will be installed in the Sunken Garden of Kensington Palace, Diana's last home, on 1st July 2021, which would have been her 60th birthday.
The Princess of Wales used to ride the bike around London while she was working as a teacher's assistant.
Harry also did not try to make amends with his father whom he still hasn't forgiven for not taking his calls during Megxit.
The Duke of Sussex thought it would be fitting for the Duchess of Cambridge to have his mother's sapphire ring.
The said statue will be installed in the Sunken Garden of Kensington Palace on 1st July 2021.
The Princess of Wales' iconic dress will be the centrepiece of an exhibit of royal fashion design through the years.
The actress said she tried to channel the Princess of Wales' compassion in her superhero role.
Even the slightest change in her appearance made the front page, and led to a huge controversy when she wore her hair long at an event with the Queen.