40-year-old singer Sia takes to the stage alongside 13-year-old dancer Maddie Ziegler at the Bill Graham Civic Auditorium in San Francisco, CA, today.
Ziegler, who has performed in several of Sia’s music videos was on hand to help the singer debut ‘The Greatest’ for the very first time in addition to a performance of her hit single ‘Chandelier’ at the Apple Keynote.
Watch the entire performance below and let us know what you think:
— Lance Ulanoff (@LanceUlanoff) September 7, 2016
— Natalie DiBlasio (@ndiblasio) September 7, 2016