Combine the layers (ctrl+e) and start operating with the girl's layer. Here we have to use the Stamp Tool as a brush for making girl's hair livelier on the edges:

my fair lady butterfly picture effect

Select now the Blur Tool to blur out a little the entire girl's contour.

my fair lady butterfly picture effect

Now we have to create a mask out of the layer: Layer – Add Layer Mask – Reveal All and use the Gradient Tool of black color to hide
 
the visibility of the chair's legs.

my fair lady butterfly picture effect

Apply now the command Layer – Remove Layer Mask – Apply to correct the brightness and the layer's contrast, using Image – Adjustments – Curves (ctrl+m).

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The colors should be corrected also with Image – Adjustments – Selective Color.

my fair lady butterfly picture effect