The Prince of Wales and the Duke of Sussex both made appearances at the Diana Award Virtual Awards on Friday.
The royal brothers were last seen publicly together at King Charles and Queen Camilla's coronation at Westminster in May, with Prince Harry seated three rows behind Prince William.
William and Harry have long shown their support for the Diana Award, which was set up in 1999 in memory of the late Diana, Princess of Wales, and her belief that young people have the power to change the world.
In opening remarks at the start of the awards, the Prince of Wales said he was "proud" to continue his late mother's belief, while in a separate appearance, the Duke of Sussex said that "her legacy continues to inspire and serve". See what the royal brothers had to say in the clip below...
Speaking from Kensington Palace, William said of the awards: "Today, we recognise the power of all young people—the power to challenge the status quo, to confront injustice, and to inspire meaningful change.
"To all the award recipients, I extend my heartfelt congratulations. Your accomplishments are a testament to your passion and commitment to creating positive change. You are the torchbearers of hope and inspiration, lighting the way for others to follow."
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He added: "And to everyone watching all these stories remind us why organisations like The Diana Award are so important. It is a reminder that when we invest in young people, when we provide them with the tools and opportunities to make a difference, they can truly change the world. A belief shared by my mother, and one I am proud to continue in her name."
Meanwhile, Harry appeared from Los Angeles with Diana Legacy Award winner Vee Khativu and in a pre-recorded clip, he said: "As we come together, I am reminded of the profound belief my mother held in the transformative power of young people.
"She recognised their unique ability to challenge the status quo and push for a more inclusive and compassionate society. Her legacy continues to inspire and serve as an example of how to navigate the complexities of our world today.
"So many of the numerous challenges that we face disproportionately affect young people. Whether it's climate change, mental health, or systemic injustices, the obstacles can sometimes seem overwhelming.
"But what gives me hope is the collective power we possess when we work together - the strength in the diversity of voices and perspectives that encompass it."
Prince Harry also appeared alongside 12 Diana Award alumni from Canada and the United States in footage filmed in Los Angeles on June 15, as they took part in the charity's first international in-person "Conversations for Change", a programme designed to bring young people together around a key social issue. He surprised four of this year's Diana Award recipients with their certificates before joining a discussion about their inspirational work, inequality, and the online world.
This year, 189 young people from 31 countries across the globe were honoured with the Diana Award. They were recognised for "transforming their communities, driving lasting change and creating a fairer, more equitable society for all".
Winners are aged between nine and 25 and receive access to a network of like-minded young activists through the Development Programme, which provides resources, opportunities and training to develop their skills.
Tessy Ojo CBE, Chief Executive, The Diana Award, said: "We warmly congratulate our new Diana Award recipients from the UK and across the world who are changemakers for their generation. These young people demonstrate that young people have the power to change the world; a belief also held by Diana Princess of Wales. We know by receiving this honour they will inspire more young people to get involved in their communities and begin their own changemaking journey."