Robert Irwin has announced his beloved dog Stella has been diagnosed with cancer in a video message shared to his followers.

The 21-year-old son of the late Crocodile Hunter Steve Irwin took to Instagram and TikTok on Monday to share the heartbreaking update alongside a photo with his pug.

“This is a tough one. I wanted to give an unfortunate update on my sweet little pup, Stella. A mass was discovered that ended up being cancerous,” Robert wrote in the caption.

“We still don’t know the full extent of the cancer.

“I have faith she’ll be in the clear.”

Robert said Stella, who has been part of the Irwin family which also includes his sister Bindi and mum Terri for several years, was "such an important part" of the clan and being away from her has been "stressful".

"I know you guys love

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