Who will reign supreme?
Hollywood stars, Margot Robbie and Chris Hemsworth were guests on The Ellen DeGeneres Show on Wednesday night, promoting their latest movie, I, Tonya, when things got a little competitive.
The Aussie stars were put to the test by Ellen for the ultimate 'Battle of the Best Aussie', with a jar of Vegemite up for the winner.
So who won? It was a close call...
Check it out below.