"So she started this foundation to be able to give those families some support."
"I just thought it was something I could do and make people aware to it," said Erena, who let out a shocked "wow" as her hair fell away.
"I don't think I'll pass my hairdresser's course, but hey I'm an athlete," Stacey said in an effort to comfort her.
"We've raised four grand so far, there's a Givealittle page," said Erena.
"So whānau, there's still time to donate if you want, any amount. It doesn't matter whether you put in a dollar or more."
The Givealittle page for donations is Brave it for Brain Tumour Support NZ.