Sydneysiders get stoked because Arrow star Stephen Amell has been added to Supanova's 2018 line-up.

In a video posted to the Supanova Facebook, Amell expressed his excitement over his appearance at the Sydney event in June and apologised for not being able to make the Perth leg due to him being the officiant for his friend’s wedding.

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The full Supernova 2018 line-up is set to be announced in the coming months.