Big Brother Australia 2025 Winner Predictions - Who are the likely winners ahead of the finale?

Bets.com.au Staff

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Last updated: Sun 07 Dec 2025 23:04

Bets.com.au Staff 07 Dec 2025

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Coco leads Big Brother favouritism due to strong social media and alliances.
Emily could surprise with her steady growth and likeable nature
Big Brother Australia winner to be crowned on Monday December 8

Big Brother Australia 2025 ends on Monday December 8 and the shortened season has produced a fast, unpredictable contest. With only a handful of housemates left, who is best placed to claim the $135,000 prize.

With just five housemates left - Coco, Emily, Colin, Alanna and Bruce - the race for the Big Brother crown has entered its final phase. Public voting is now the ultimate decider and the trends across social media, edit visibility and fan polling are painting a clearer picture of who is peaking at the perfect time… and who needs a miracle.

Below are the latest housemate predictions for Monday night's finale, along with a betting-style outlook to help punters understand the shifting landscape.

1. Coco — The frontrunner with unstoppable momentum

Coco has surged into top spot thanks to a combination of emotional authenticity, highly positive social-media sentiment and a run of compelling episodes that have given viewers both vulnerability and strength. Her relatability has become her biggest weapon - and the audience response suggests she is the housemate people feel connected to.

Coco has topped Big Brother Power Ranking metrics for three straight weeks, and her storyline continues to build at the perfect time. Historically, this profile wins Big Brother more often than not.

Mock odds: $2.10 (favourite)

2. Emily — The quiet achiever who could steal it late

Emily’s game has been remarkably consistent. She avoids conflict, brings warmth to the house and appeals across multiple demographics. That broad appeal is key: she rarely receives negative discussion online, and her sentiment score has climbed steadily as bigger personalities burn out.

If the finale turns into a tight two-horse race, Emily is the most likely challenger to Coco — especially if she gets a strong edit in the final days.

Mock odds: $3.00

3. Colin — The strong contender with a loyal base

Colin’s campaign is built on his loveable larrikan personality and competitive drive. He has one of the strongest supporter bases among Big Brother's younger viewers,and he consistently polls in the upper-middle of popularity charts.

However, his narrative hasn’t spiked recently — and without a major emotional beat or a standout final week moment, he risks being the “safe finalist” rather than the winner.

Mock odds: $4.50

4. Alanna — Respected, stable, but drifting

Alanna remains admired for her maturity and leadership inside the house, but momentum matters - and hers has stalled. Her edit has softened in intensity compared to earlier weeks and reductions in screen time generally align with cooling vote intention.

She is not out of the race, but she needs a major narrative moment a speech, a showdown, a personal reveal - to jump back into top-three territory.

Mock odds: $7.50

5. Bruce — The chaotic entertainer who could shock the system

Bruce remains the wildcard of the Final Five. His humour and unpredictability make him a fan favourite among casual viewers and his Buzz score continues to rise thanks to highlight-reel moments.

However, his polarising nature limits his ceiling in a final public vote. Entertainers can win Big Brother… but only if the finale edits amplify their human side. Bruce needs a sympathetic arc or a viral-positive moment to seriously contend.

Mock odds: $9.00

Big Brother Australia Win Probablity Table

Housemate	Mock Odds	Win Probability
Coco	$2.10	37%
Emily	$3.00	26%
Colin	$4.50	19%
Alanna	$7.50	12%
Bruce	$9.00	10%

Big Brother Trends That Could Determine The Winner

1. Narrative Momentum

Big Brother winners typically align with the strongest late-game storyline. Contestants with a clear arc - growth, resilience, redemption, or leadership - tend to outperform more static profiles.

2. Social Media Indicators

Although not always predictive, the volume and tone of social conversation in the final week usually reflect popularity at scale. This season’s positive sentiment has favoured Colin and Conor.

3. Edit Strength

In a condensed season, screen time matters. Contestants getting consistent visibility in packages, competitions, and diary room commentary typically convert into higher viewer engagement.

4. Live Eviction Reactions

The crowd response during recent evictions has shown clear support patterns. Positive reactions have helped reinforce frontrunners and reveal which housemates are strengthening or weakening at the margins.

Verdict

Based on trajectory and current audience sentiment, Coco remains the most likely winner. Emily sits as the potential late disruptive force if the storyline swings toward underdog appeal.

*Odds for illustrative purposes