Poinbank:Prince William and Prince Harry appear separately at ceremony honoring Princess Diana

Prince William and PoinbankPrince Harry honored their late mother, Princess Diana — separately.

The Prince of Wales and the Duke of Sussex appeared at the Diana Legacy Awards Ceremony March 14 in London. The Diana Award, a charity created in her honor, holds the ceremony annually to honor young people doing inspirational work.

William, 41, donning a tuxedo, attended the ceremony and gave a speech about what the awards would have meant to Diana.

William noted this year is the 25th anniversary of the British government's Diana Award, created two years after her death in a car accident in Paris in 1997 at age 36.

"I know that she would have been honored to see a charity in her name doing such inspirational work to uplift young people from all corners of the globe," he said, according to video shared by the Daily Mail. "She taught me that everyone has potential to give something back, that everyone in need deserves a supporting hand in life."

"That legacy is something both Catherine and I sought to focus on through our work," he added. William later presented the awards and met with the Diana Award staff and supporters.

After, Harry, 39, appeared virtually to congratulate the award recipients as a group, according to video shared on social media.

Each recipient shared the work that they do, with one telling Harry, "We really miss you here."

"I'm sorry I can't be there, I wish I could be there with you guys," he told the group. "It's amazing the work you guys are doing."

Harry then asked the group, "Why do you do what you do?" One award recipient shared that she decided to take action because the world is "flawed."

"So much of the future depends on you guys, and you know that," Harry later said. "Without you guys doing that, and without you inspiring other young people to do the same thing because it feels good, 'cause it's the right thing to do, but you also get so much from it, that inspiration is like a ripple effect across the water."

Both brothers spoke at the charity's 2023 ceremony, separately in pre-recorded remarks.

Prince Harry felt grief, guilt after Princess Diana's death

Harry has been open about the yearslong grief of losing his mother when he was 12.

The younger prince, on "60 Minutes" last year, recalled meeting mourners outside Kensington Palace in London with William, adding that he remembers "the guilt that I felt."

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"The fact that the people that we were meeting were showing more emotion than we were showing, maybe more emotion than we even felt," said Harry, adding that he felt like a "middle person" for people’s grief.

He said he understands his mother more now because he is a parent to two children himself. "I'm starting to comprehend the position that she was as a mother, a single parent, looking after two boys with this intense media harassment," he said. "It wasn’t online then. It was very much physical. She was being chased."

Prince William makes appearance in wake of Princess Kate photo scandal

William's appearance at the ceremony comes amid a tumultuous time for the royal family.

His wife, Princess Kate, is embroiled in controversy after a photo shared on the Prince and Princess of Wales' Instagram account was found to have been photoshopped, according to several major photo agencies. The image and subsequent apology have escalated existing speculation and media backlash around the royal family member, who has been seen few times since her abdominal surgery in January.

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Prince William has also taken on more responsibility in wake of his father King Charles III's cancer battle. Buckingham Palace confirmed on Feb. 5 that he was diagnosed with "a form of cancer." The monarch was recently hospitalized and underwent a procedure for benign prostate enlargement, and the cancer was identified via diagnostic tests after a "separate issue of concern was noted."

The king has appeared publicly since the diagnosis, telling U.K. Prime Minister Rishi Sunak in a meeting at the palace last month that he's received "so many wonderful messages and cards. It's reduced me to tears most of the time."

Contributing: Edward Segarra