As the next step I added outlines with an ink pen. I didn't pay much attention to her dress when doing so, as it will be completely covered.

I have big packs of "wedding" sequins (white, ivory and light pink including a variety of shapes, e.g. stars and leaves), "natural" sequins (in brown and grey tones and also a variety of shapes) and all kind of regular round colours. I planned to use many of the unusual shapes on her dress to create a fluffy, feathery look and also make a little hair accessoire. The wings, egg and the rest of her dress would be made from mostly round sequins. The bottom of her dress would be the most problematic region since I would need a hammer to get the nails into the wooden frame.