1 -

.
, . Gaussian Blur.
(> > )
, . ( 5px 10px)
. !
. , Multiply blend . ( 100%).
2 -

.
. , ! .
Create a layer between the lady and the background and paint some hair (I suggest you a little hard brush). In alternative you can download some strands stock and place them in the layer you created. When youre done just smudge the part that is under the dress of the lady.
Below you can see the result.
Step 3 Petals

Create a new layer above everything. Download the PSD containing the petals and paste them into this layer. Put them in the position you like.
Add a Hue/Saturation adjustment level just for the petals layer (with ALT button) and set the Lightness at -30 because they have too brightness.
Now we want they seem to fall. We can achieve that result with blur. (Filter > Blur > Motion Blur). Amount can vary. It depends on how big is the resolution and on your taste.
Step 4 Diamondsw

Create a new layer above the petals layer and with the diamonds brush paint some of them with white color. They have a lot of opacity so duplicate this layer 3 times and merge all 4 layers in one.
As you can see the brush will paint a lot of diamonds. So delete the ones you dont want and put the remaining like they are falling from her hand.
Step 5 Shadows

Its time to shading! Add a Curve Adjustment layer above everything and drag the curve down like the image below. I set these values: Input 169 and Output 100. Set this layer to Multiply.
Everything will be darker but we dont want this effect on the whole manipulation! So add a Mask to this level and fill it with black or, in alternative, go to Masks (the button close the Adjustments) and click the button Invert. The manipulation will turn as it was before, like you did nothing.
, , . , ! ( , 30% , ).
, .
6 - Dodge & Burn

Overlay.
: > > 50%
, .
: : 90% - . , , , Highlights. 10% 30%.
Dodge , .
, .
.
7 -

, ( ). Soft Light
.
8 -

! ( , # e1f9ff). - .
, .
(Filter> Blur> Gaussian Blur) ( 250 )
9 -

, . , / -70 ( )
. . Overlay ( , 30%). . , .
.
. . . Soft Light ( 80%) , .
, Lights and Shadows .
. , . 70%.


PSD