The model bared all at a photoshoot in Melbourne for an anti-fur advertising campaign by the animal rights group.
Kaige revealed that the organisation had also played a leading role in changing her views about animal products.
"I became interested in PETA a couple of years ago. I was actually emailed a short video on a mink being skinned and it totally changed my whole views and I became very emotional and passionate about the cause," The Sun quoted her, as saying.
"I'm very, very passionate about animal welfare, and I've done a lot of modelling, I've got a fairly big profile overseas and in Australia and this was something I found so rewarding and positive and the opportunity really jumped at me," she added.
PETA Asia-Pacific director Jason Baker said he was confident Kaige's pictures would help get the message out into the public domain.
|Kobe Kaige for PETA / Penthouse|
The 32-year-old american actress Charlize Theron in photoshoot for GQ and W Magazine.
The Gold MV Agusta F4 bike is covered with five square meters of 24 carat gold leaf sheets applied by skilled craftsman. The bike was showcased at the International Fair of Luxury. There is no word on pricing yet.
|MV Agusta F4 / International Fair of Luxury|
Animated adventure Kung Fu Panda was the first mainstream hit of the Cannes film festival.
|Kung Fu Panda Cannes Premiere / (Photos: Reuters, AFP, Getty Images)|