Hey! I'm new to this "constructive critisism" thing... So I'm trying! =^^=

Nice picture, overall... I love the eye, and can tell you put a lot of work into it... I love that TLK style, as well, though it is pretty common, nowadays... (Like the Balto style. Common, but still good. =^^=) I also like the ears, and the way you've drawn the neck.... I do have a nitpick, though, and it isn't really a big one... It's just that her muzzle is a bit too long! Canines have long noses, but lions don't usually have ones that long. Their noses tend to be shorter. =^^= Try looking at pictures of real lions for reference...

You will color it someday, won't you? I'd love to see it in color... Keep up the great work, 'kay?