Australian music legend John Farnham is in the fight of his life after his family revealed the 73-year-old rocker has been diagnosed with cancer.
Messages of support are pouring in from around the world after the shock diagnosis as Australia's favourite son undergoes surgery today at a hospital in Victoria.
Share your well wishes for Whispering Jack here:
Former Labor leader and Minister Bill Shorten sent good wishes on Twitter.
Media personality Derryn Hinch said he was shocked by the news and sent his thoughts to the singer and his family.
Singer-songwriter Richard Marx sent his best wishes:
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