The 26-year-old singer wore a Jean Charles De CastleBajac dress, Giuseppe Zanotti shoes, Cantori jewels, and Chantelle Thomas stockings.
Not only did Katy perform at the event, which honored people in Australian television, Jessie J and Maroon 5 did as well!
Check out Katy performing her hit song “Firework”!
The day before Katy launched her perfume, Purr, at a Myer department store in Melbourne.