If she looks cross-eyed (I too can't see much of it) it may be that there was a siamese among her ancestors (it must have been an Asian prince then ) and if you are worried about her little tummy (to me it looks absolutely ok) you might ask the vet whether it could be a hernia. But even Filou has it and like his girlfriend Juni he's a very slim kitty and does a lot of bodybuilding

Oh I just forgot: Lilybaby is getting cuter every day. I looove the naive look of baby kitties