You knew they were coming.

Soon after Kristina and Karissa Shannon were announced as Hugh Hefner's new girlfriends, we went in search of naked pictures of these 19-year old twins. We had to get an idea of just what Hef goes home to every night.

The investigation didn't take very long, of course, as The Shannon Twins met the Playboy founder during a photo shoot for his magazine, during which - of course - they posed nude.

Follow this article's jump to see the bubbly, busty blondes in the buff...

Kristina and Karissa Shannon are sisters that are closer than most siblings.