AUSTRALIA Zoo's Bindi Irwin has surprised mega fan and Big Brother contestant Tim on a Halloween themed episode of the reality TV show.

Bindi posed with new tiger cubs Spot and Stripe and invited Tim to come visit when he's out of the house.

"I want to thank you for being an incredible Wildlife Warrior. I hope when you're out of the house you can come visit me," she said.

>> MORE BIG BROTHER NEWS HERE

Tim's made it no secret that he's a huge fan of Bindi and her conservation work.

Who will win Big Brother 2013?

This poll ended on 02 November 2013.

Current Results

Tim

58%

Drew

7%

Boog

2%

Jade

9%

Tahan

20%

This is not a scientific poll. The results reflect only the opinions of those who chose to participate.

This evening's Halloween themed Big Brother show displayed housemates secrets and lies throughout the show as well as messages from loved ones at home.



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