Cassandra, you are only missing the ball end of your bone on one leg, not both*.
(It's hard to tell, but her hind legs are straight out behind her, paw pads facing up.)
"Yeah, and your point is?"
Cats are weird.
*Mishap at the vet's a couple of years ago; all better now after complimentary surgery [I should think so!] and unnoticeable that she doesn't have a normal ball-and-socket hip joint in her left leg. Cats with completely normal skeletons do strange things like this all the time... This is new for her, though; she's usually curled up tight in that bed with room to spare.