Prince William and his younger brother honoured their mother at an award ceremony

The brothers attended the Diana Legacy Award ceremony at London's Science Museum.

The ceremony honours the late princess and her legacy.

The charity, named in Diana's honour, is marking 25 years this year.

Prince William attended the ceremony in person on Thursday evening, but Harry attended it virtually.

During the ceremony, Prince William presented awards to 20 recipients of the Diana Legacy Award.

Prince Harry interacted with the winners later in the ceremony from his home in California.

The brothers' relationship has been on the rocks since Prince Harry stepped down as a senior working royal.

Their appearance comes after a rocky few weeks for the royals after speculation spread about Kate Middleton.

The Princess of Wales underwent planned abdominal surgery in January and has no plans to return to her royal duties until after Easter.

There has been rife speculation about the princess, but royal officials have stressed that she is doing well.

Kate posted a photo of her and her three children on Mother's Day but it was later revealed that it was heavily edited.

Alongside the snap, the mum said: "Thank you for your kind wishes and continued support over the last two months."

She later publically apologised for editing the photo.

Major rumours have been swelling about her and Prince William's marriage, but nobody has responded to the claims.

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