Very good idea, and maybe I'm to noobish to give you advises - but in my humble opinion you could have put more effort into shading and some extra candy. The arms look kinda flat, an additional lighter colour for the upper part of her left arm could improve that.

Nonetheless - I really, really like the shadow and the overall concept! :)

Heheh, very nice :)

Your preview does nothing to help this image!

The mirror could use some outlining too (it is hard to separate it from the background (on my monitor at least) ... I dig the concept here though!

Cool concept! It helped reminded me I should be drinking right now! The collection of tiaras in the background is a nice touch.