"For me in my mind, you're my other Golden Buzzer," judge Nicole Scherzinger said. "I'm so proud of you. I feel like you came here to kill and conquer and that's exactly what you did tonight. I'm so proud of you!"
Manu shared similar sentiments about the young dancer.
"It's unbelievable the amount of work you put in to show us what you're capable of in the space of five minutes it's just crazy, you're going to go far in life. I'd love to see you in the grand final.
Sienna Osborne's performance got her through to the next round!
Watch more of 'Australia's Got Talent' on Channel Seven.