Princess Diana became a strong person following her split from Prince Charles.

According to the late Princess of Wales' friend, Derek Deane, they met on the day her divorce from the Prince of Wales was finalized. During their encounter, Deane observed something new to Prince William and. Prince Harry's mom.

"On the day her divorce was made official, Diana visited one of our shows, which really shows the connection she felt to our art and how it calmed her," Deane said (via Express). "After the performance, we dined, like always. She appeared strong, never complained. No more drama."

"She had lost the burden that weighed her down and a new Diana was born, free of pain and sorrow," Deane continued. "It was clear all this had made her stronger. She now had a future. Or so she thought."

According to Deane, Princess Diana should have never married the second-in-line to the throne. He described their marriage as "hellish" and "hurricane of grief" to Princess Diana because Prince Charles' true love was Camilla Parker Bowles.

In Princess Diana's secret interviews, she revealed that Camilla had broken her heart multiple times. When Prince Charles was about to leave for a five-week royal tour, Camilla reportedly called to talk to him. Princess Diana chose to be nice and left the two on the phone. Later on that day, she was seen sobbing as Prince Charles departed.

"You may recall seeing a picture of me sobbing in a red coat when he went off on his aeroplane," Princess Diana said. "That had nothing to do with him going. The most awful thing had happened before he went. I was in his study talking to him about his trip. The telephone rang, it was Camilla."

Princess Diana also confessed that their honeymoon was ruined when Camilla sent a gift to Prince Charles. It was cufflinks with two C's entwined like Chanel. Princess Diana confronted Prince Charles about it, but he dismissed her saying that nothing's wrong with it as it was a "present from a friend."

"And boy, did we have a row. Jealousy, total jealousy. And it was such a good idea the two 'C's but it wasn't that clever," Princess Diana confessed.

Princess Diana and Prince Charle Princess Diana has changed into a strong woman after her divorce from Prince Charles. Pictured: Prince Charles and Princess Diana at Westminster Abbey, London, for a centenary service for the Royal College Of Music on Feb. 28, 1982. Photo: Getty Images/Fox Photos