Karissa and Kristina Shannon are making themselves right at home in the Playboy Mansion. And we have the pictures to prove it!

Or they do, to be exact.

The twins have updated their MySpace page to include shots of them posing in lingerie with friends in their new room; hanging out in the mansion's hot tub and feeding a monkey. No, that isn't a euphemism for sex.

One of the sisters - please don't ask us which - is actually feeding a monkey...