She's supporting Endometriosis NZ, an organisation she has a family connection to.
Brynley Stent
Actor, comedian and writer Brynley Stent is competing for Leukaemia & Blood Cancer NZ, after she sadly lost her mother to non-Hodgkins lymphoma.
She won't just be competing against other celebrities - she'll also be going head-to-head with her flatmate and comedian Chris Parker. Which flatmate will reign supreme?
Casey Frank
Former Breaker and Tall Black star Casey Frank is competing for his chosen charity, Kids Can.
Will the sports star be as quick on the island and he was on the court?
Joe Naufahu
Actor and rugby player Joe Naufahu played warlord Dothraki in Game of Thrones, and now he's trying his luck on reality TV.
He's aiming to win the $100k prize for Breast Cancer New Zealand, a cause close to his family.
Tegan Yorwarth
Tegan Yorwarth hosts Mai FM's Morning Crew show and is swapping the radio mic for an island up North.
She's supporting her chosen charity The Period Place.
The above stars join Kimberley Crossman, Tammy Davis, JJ Fong, Anna Simcic, Lance Savali, Angela Bloomfield, Buck Shelford, Chris Parker, Lana Searle, Joe Daymond and Jess Tyson, who have already been announced this week.
Matt Chisholm and ZM Drive host Bree Tomasel are returning to host the competition and put the celebrities through their paces.
In 2019, Coast radio host Sam Wallace fought his way to win $100,000 for his chosen charity Starship.
Check back on Sunday for the final line-up announcement.
• Celebrity Treasure Island screens on TVNZ 2 from September.