Everything We Know About the 2025 Big Brother Housemates
Big Brother Australia premiered on Channel 10 on November 9, 2025, marking a return to its roots with an exciting new cast. The show is back on Channel 10 after several years on Nine and has returned to its original filming location, Dream World.
Host of the 2025 Season
Mel Tracina, best known for her role on the comedy panel TV show The Cheap Seats, leads as the host of this season, promising one of the most thrilling Big Brother experiences in recent memory.
Main Contestants
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Jane
Jane was the thirteenth contestant to enter the house, arriving the night after the premiere. At 67 years old, she is the oldest Australian housemate ever. A single mother of two sons and grandmother to four grandsons, Jane is known for her humor and loyalty. She is also a passionate supporter of U.S. President Donald Trump but intends to keep her political views private.
“THIS IS NOT A DRILL, A DIVA HAS SNUCK INTO THE HOUSE,” Big Brother shared on Instagram.
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Michael
At 49, Michael is an outgoing and outspoken single father of three teenagers. Known for his funny and opinionated nature, he often finds himself in trouble. He aims to bring maturity, mischief, and a straightforward attitude to the house.
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Bunnings Shop Assistant
A 23-year-old from Victoria, listed only by occupation and age.
These contestants are ready to make history while living in the iconic Dream World location, setting the stage for an unforgettable season.
Author's summary: The 2025 Big Brother Australia returns to Channel 10 and Dream World with a diverse cast led by Mel Tracina, featuring the oldest housemate ever, Jane, and other dynamic personalities.