Singer Sia leaves fans in awe during a VERY wacky performance at the ARIA Awards 2020

Guy Sebastian mocks Joel Creasy's outfit with X-rated Greg Norman joke at ARIA Awards 2020

Sia joins Billie Eilish and Sam Smith to steal the show at the ARIA Awards 2020

Sophie Monk looks effortlessly chic in a glamorous white mini dress at the ARIA Awards 2020