Shannon Noll drives fans nuts with thirst trap: 'Was not expecting that'

Shannon Noll, 48, sent fans into a tailspin on Friday after sharing a thirst trap snap to Instagram ahead of his 20th anniversary concert tour.

In the snap, the singer showed off his very muscular arms and chest, with the caption reading, "Hit shoulders today! Training hard in the lead up to my 20th anniversary tour kicking of in March! I can’t wait it’s going to be so much fun playing songs like New Beginning and Burn!"

"Bloody hell, man, not sure I want to do that net session anymore 😂," Guy Sebastian's brother Chris joked.

"Swollsie 💪🏼," Simone Holtznagel wrote.

"I am training hard but not getting quite the results you are achieving 😆 go you 🙌 💪🏽," Jayne Denham added.

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"Had to have a double take there @nollsie … thought [Chris] Hemsworth was uploading more selfies 💪," one user wrote.

"Shannon, don't skip arm day!" another added.

"You gotta lift...💪," a third said, referencing Shannon's song 'Lift'.

"Whoa. I was not expecting that to pop up on my feed," someone else said, while another joked, "I’m hiding my Mrs and my mum."

"Geez Shan I have to go a tad harder to catch up ☺️," another fan wrote.

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Shannon shared a shirtless snap late last year, writing, "I’m really loving the gym at the moment! Starting to cut a bit before the large amount of food I’m going to eat over Christmas!"

"Well done @nollsie you're looking great 🔥," one user commented.

"Loving the rig bro! And I’m saying that in a non suss way. You know," radio star Brendan 'Jonesy' Jones joked.

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