Jamie Oliver in Sydney for Easter show

Celebrity chef Jamie Oliver has donned an Akubra hat at the Sydney Royal Easter Show.

Oliver is on a whirlwind tour of Australia to host a series of Food Revolution Live cooking shows.

On Thursday, he was doing the publicity rounds in Sydney, appearing on the Seven Network's Sunrise program and on Nova 969 before heading out west to the Royal Easter Show.

"Me and Cattle Dons at the Easter show in Sydney nice @joolsoliver I have the hat roll on baby number 5!!! #eastershow," he captioned a photo of himself wearing an Akubra, which he posted to his Instagram page.

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