"Congrats Bang Bang, finally got your world title. Proud of you. All that hard work has paid off," Crystal Perplexed said.

Another friend Melissa Spillman added: "Yeah, congrats girlie! From skateboarding to boxing... you were born a star!"

The new world champion is due to fly home to Perth on Sunday night.

A slightly weary looking Brendan Foster and a fresh-as-a-daisy Bangbang Lulu.