Merge down again the layers (ctrl+e) and choose the Brush Tool to paint the lace along the corset:

ghotic girl gone wild drawing

Use the Gradient Tool on the grouped layer to make lighter its middle part.

ghotic girl gone wild drawing

Select the Brush Tool now to add the shadow on the girl's skin:

ghotic girl gone wild drawing

Choose
now the Smudge Tool with blurred motions to make the hair livelier:

ghotic girl gone wild drawing

Then select the Gradient Tool on the grouped layer with the same adjustments from the corset's layer and make them lighter a little.

ghotic girl gone wild drawing

Use the Brush Tool on the skirt's layer, to draw the pleats on the skirt.

ghotic girl gone wild drawing