Inside the friendship fallout between Big Brother's Holly and MAFS' Carina: 'Betrayal'

“It’s not a little tiff."
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Holly Big Brother with Carina Mirable from MAFS

Holly Young has been stirring tension inside the Big Brother Australia 2025 house, and it turns out she’s involved in drama outside of it too, as she’s apparently locked in a long-running feud with Married At First Sight’s (MAFS) Carina Mirable.

News of a friendship between Holly and Carina emerged shortly after the season premiere, when old TikTok videos of the two reality stars surfaced, in which Carina called the Big Brother star her best friend.

However, Daily Mail Australia has reported that the pair — who met on a 2009 soccer trip in China — are no longer tight, and had a massive falling out after living together. The publication said that Holly abruptly moved out of their shared apartment after an argument, which completely “blindsided” Carina.

“It’s not a little tiff. Holly f**ked Carina over hard,” an insider told the publication.

@carinamirabile Worked so long and hard to finally be able to get paid for working on set with your bestie. Shoot for @selfloveclvb__ #fypã‚· #bestfriends #shoot #perth ♬ Sunny Day – Ted Fresco

“What happened between them is something Carina will never forgive.”

The source said that “Holly walked out and didn’t look back” following the disagreement. “After everything they shared, it felt like a betrayal.”

“She was rushing to find another roommate after it all went down, and now I think she’s living somewhere else.”

@carinamirabile Shoot day with my best friend @HOLLY YOUNG #nyc #shoot #fypã‚· #fyp ♬ Her Way (Sped Up) – PARTYNEXTDOOR

Big Brother’s Holly dated Luxe Listings Sydney reality TV star Gavin Rubinstein

Carina isn’t Holly’s only reality TV connection, as Daily Mail Australia revealed she once dated Luxe Listings Sydney star Gavin Rubinstein.

The pair shared a bunch of romantic snaps in mid-2024, but a source told the publication that their spark fizzled just a few months later.

Luxe Listing's Gavin Rubinstein at a basketball game.
Luxe Listing’s Gavin Rubinstein at a basketball game. Image: Instagram.

“Things got complicated when they started travelling together,’ the insider said. ‘It was fast-paced from the beginning, but they were just in different places in life.”

Here’s hoping Colin and Holly’s showmance lasts longer!

Big Brother Australia 2025 airs Monday to Friday at 7.30pm, and Sundays at 7pm on Channel 10 and 10Play.

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Tagged: Featured, Reality TV, TV, Ten, Big Brother

Journalist

Danica Baker

Danica is our deputy editor who followed her parent’s career advice of “do what you love”, which for her, involves watching a whole lot of reality TV. You'll find her bylines on Rolling Stone, W...
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