Turia Pitt has announced she is expecting a second baby with fiancé Michael Hoskin.
The 32-year-old athlete, author and motivational speaker, who is already mum to 20-month-old Hakavai, shared the news with an Instagram video inspired by Beyoncé.
"When Michael and I want to share big news," she wrote " I insist on creating a Beyonce-inspired video montage. Baby #2 we can't wait to meet you. PS. I promise we'll find you a more appropriate name soon."
The clip features Pitt's growing bump, an ultrasound image and footage of soon-to-be big brother Hakavai.
In 2011 at the age of 24, Pitt was competing in a 100km ultra marathon in WA's Kimberley region when she encountered an out of control grass fire. She sustained burns to 65 per cent of her body and wasn't expected to survive her injuries.
Pitt spent six months in hospital, underwent over 200 operations and embarked on a gruelling two-year recovery.
But learning to walk and to feed herself again was just the beginning. Pitt went on to compete in her first ironman competition in May 2016, followed by the Ironman World Championships in Kona, Hawaii.
The event was almost five years to the day she was told by doctors she would never run again.
"I want my son to know that everyone goes through hard times in their life, but it's possible to come out the other side even stronger – especially if you have the right people in your corner," the Good Selfie author told Essential Baby during her first pregnancy.
"I want my son to see me continuing to set big goals for myself and chipping away at them."
Appearing in a cover story for WHO in April, Pitt explained that motherhood had changed her priorities."I'd rather spend the better part of the day with my son, Hakavai, instead of training like a madwoman for a massive endurance event. I still want to challenge myself, but now I temper them with the reality of being a mum and wanting to be around for my boy."