Kieran Davidson shows off his 17kg weight loss as he is reunited with Big Brother co-stars

EXCLUSIVE: Big Brother’s Kieran Davidson shows off his 17kg weight loss as he reunites in Sydney with co-stars Allan Liang and Marissa Rancan

He rose to fame on this year’s season of Big Brother Australia.

And on Saturday, Kieran Davidson showed off his impressive 17kg weight loss as he head out in Sydney.

The Adelaide-based videographer was joined by his co-stars Marissa Rancan and Allan Liang, who couldn’t wipe the smiles off their faces during the reunion.

After: He has since managed to lose an impressive 17kg since filming the reality show

Big Brother’s Kieran Davidson showed off his impressive 17kg weight loss in Sydney on Saturday night

Keiran was dressed to impress in a button-up long sleeve green shirt and khaki coloured trousers.

He completed his look with leather shoes, and appeared to be wearing a bandage on his finger.

Marissa, 61, looked stylish in a baby blue denim dress which featured puffed sleeves.

The Adelaide-based videographer was joined by his co-stars Marissa Rancan and Allan Liang, who couldn't wipe the smiles off their faces during the reunion.

The Adelaide-based videographer was joined by his co-stars Marissa Rancan and Allan Liang, who couldn’t wipe the smiles off their faces during the reunion.

Fancy: Keiran was dressed to impress in a button-up long sleeve black shirt and khaki coloured trousers.

Casual: Allan, 31, rocked a Supreme jumper, black trousers and grey sneakers

Fancy! Keiran was dressed to impress in a button-up long sleeve black shirt and khaki coloured trousers. Meanwhile, Allan, 31, rocked a Supreme jumper, black trousers and grey sneakers

The former Aerobics Queen was all glammed up for the occasion.

She completed her look with white strappy stiletto heels, which matched her white clutch and painted nails.

Meanwhile, Allan, 31, rocked a Supreme jumper, black trousers and grey sneakers.

Heading back into the house? The Adelaide-based star could be making a return to the show

Heading back into the house? The Adelaide-based star could be making a return to the show

Marissa, 61, looked stylish in a baby blue denim dress which featured puffed sleeves.

The former Aerobics Queen was all glammed up for the occasion, and wore a face full of makeup

Stylish: Marissa, 61, looked stylish in a baby blue denim dress which featured puffed sleeves. The former Aerobics Queen was all glammed up 

The sighting comes just days after it was revealed that Channel Seven will begin shooting Big Brother Australia’s second rebooted season this month.

Earlier this week, a team of staff were seen applying the final touches to the purpose-built studio, inside a warehouse in Manly. 

In pictures taken by Daily Mail Australia, the show’s eye logo was seen being placed back at the front of the warehouse ahead of the highly-anticipated new season. 

Coming soon: The show's eye logo as recently placed back at the front of the warehouse ahead of the highly-anticipated new season

Coming soon: The show’s eye logo as recently placed back at the front of the warehouse ahead of the highly-anticipated new season