Original image

step 1 of 15
I cut around 4 types of piece... If one is going for this type of composition, you can choose any number of pieces...

step 2 of 15
Of course no face is perfectly symmetrical...

step 3 of 15
Now I put a guide in the middle of her face... Now selecting the half side of her face( i choose her right side here)...

step 4 of 15
Also arranging it, I get this...

step 5 of 15
This is what I get...

step 6 of 15
Now masking and hiding the top layer... Brushed over the face to reveal the blur avoiding the eyes and lips...
Also added a brightness contrast and hue/sat adj. layer...

step 7 of 15
I added a part, rotated it and adjusted bits of it... Then I made a duplicate of it, flipped it horizontally and positioned it...
This is what I got for the side of the eye section...

step 8 of 15
I get this...

step 9 of 15
With an 100% soft and 20% opacity black brush... painted shadow...

step 10 of 15
Actually this was my original entry... But GolemAura pointed out that my mask would be better if spherized a bit... Also neverlander pointed out that it lacked a lil depth...

step 11 of 15
I get this... But the face became a tad small...

step 12 of 15

step 13 of 15
So i made some more wing part of the mask and shadowed it accordingly...

step 14 of 15

step 15 of 15

Final result

