Three very convincing theories on who will win The Bachelorette.

It’s almost crunch time for Sam – so who will she choose?

Rumours are swirling over whether The Bachelorette will pick Michael Turnbull, or Sasha Mielczarek.

We’ve rounded up the top theories, and we leave them here without comment…

1. Michael accidentally revealed it was Sasha.

Michael and Sasha recently gave an interview with Kyle and Jackie O – and many believe Michael accidentally gave away the winner in the process.

During the interview, Kyle said “May the best man win” – and Michael immediately turned to Sasha and high-fived him.

According to Kiss FM, it means Sasha wins. They wrote, "Think about it, if Kyle said to you, 'May the best man win' - would you put your hand up to high five the guy who didn't win? Awkward. So we think that because Michael immediately pulled up his hand to high five Sasha, it must mean that Sasha is the winner!"

Interesting...

2. Wikipedia-gate.

Edits to Michael's Wikipedia page left many fans fearing the winner had been revealed.

The professional soccer player's page had the edits made two days BEFORE The Bachelorette semi-final - and it apparently showed that Sam had chosen him as one of her final two.

The changes were made at 3:58am on October 20. They stated, 'Turnbull featured as one of the bachelors on Network Ten's The Bachelorette Australia in 2015. He made it to the final two to compete for the love of Sam Frost.'

WHAT DOES IT MEAN?

3. Richie weighs in.

After leaving the show, fan favourite Richie Strahan said he thought Michael was the right man for Sam.

According to news.com.au, he said, "When I left that mansion and was heading home I personally felt Michael and Sam had a pretty good connection. You could just see the way that Sam looked at Mikey and knew that they had something really special ... Mikey is such a sweet, humble guy and he and Sam would make a cute couple. And have you seen him? What a dreamboat!”

We have know idea who will win - but we can't wait to find out.

Who do you think should win?

TAP on the image below and scroll through our gallery of The Bachelorette's Sam Frost...