She's not quite as skinny as she looks there . . . some of that rib you see is muscle definition over the ribs. But she is lean as all get-out. She'll look a little sleeker for a few days, then take a growth spurt and that's that . . . Her haunches give you a better idea.
Evidently she damned near died with the parvo and was a very sick little baby.
I adore that pouty little lower lip, lol.