'I still really do s**t myself,' she told Stellar.
'For 10 to 15 minutes before every big gig, I need that time to walk up and down the hall or be running around, or doing tricep dips or burpees to get the blood pumping,' the 28-year-old added.
'It's my moment - it gets me excited. But there are other times I can just be Zen,' the brunette beauty went on to say.
Mauboy will be representing Australia in May's Eurovision 2018.
This article originally appeared on New Idea.