It's not bad, but her body is very thin, especially where her shoulder blades should be. Her body looks like an extension of her neck, when the body, especially her upper back should be much thicker to show her shoulder blades. I watched your speed paint and see how you draw your masses, and the chest/ribcage should be the larger mass. The body is a little long looking too, but I think if you drew the chest/ribcage mass larger, it would probably fix the proportion. Be careful of where you put the hind leg that's supposed to be farther from the viewer, you have the one just a little too low, and it gives it the appearance that it's on the same plane when it's not.

Your coloring is gorgeous as always though. I think this is one of your weaker pieces, but it's not bad. Keep it up. :)

The shading is a bit off, but it's a nice piece. :)