And a whole host of Channel 7 stars have flown over to Perth to lend their support to the charity, which has raised $231 million since its launch.
The Sunday Night crew help cut the cake at the Princess Margaret Hospital for Children
Seven News reporter Sarah Cumming can't wait for the event to start!
Home and Away's James Stewart, Olivia Feeble and Lincoln Lewis gear up for a night of fundraising
'Hard at work - come meet us st kids carnival for fan cards and fun,' Olivia captioned this pic.
The Home and Away gang!
Anna Cocquerel and Sophie Dillman pose for a cute pic.
The home and Away cast on their way to the event at the Shepard Centre.