Nathan Kara, 21, Riley Bourne, 19, and Connor Mller, 20, admit this year will be tougher, but they also have more knowledge and experience about the "madness" involved at the Worlds.
"It really is the Olympics of dance," says Kara.
And they train as hard as any athletes at the Rio Olympics. Days start at 6am with rigorous workouts, they follow strict personalised meal plans and fitness regimes and spend hours in the evenings and weekends perfecting their moves.
They reckon their home country gives them an extra advantage.
"Our dancers are world class because there are so many different cultures in this country and we pick and share the best elements from all of them to create something which is unique and special," says Mller. "There's a strong spirit of open-mindedness here."
The Bradas, all aged between 18 and 23, have also secured sponsors, including Russell Athletic, so while they've had to do some fundraising it has not been as time-consuming as in previous years.