The singer has also laid down the challenge for Aussies to get behind women in sport and break the record for the biggest turn out at a female sporting event.
Watch Katy's announcement below...
“Why don’t you join me on March 8, 2020 to celebrate women and maybe we can make it the biggest turn out for a female sporting event ever,” the 35-year-old said.
The World Record attempt is aiming to beat the attendance of 90,185 fans at FIFA Women’s World Cup in California in 1999.
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