Gradient’s parameters:

Using the earlier applied Custom Shape Tool (U), try to make the next heart’s layer, which shape must be corrected with the Convert Point Tool.

The layer’s parameters: Blending Options>Gradient Overlay

Gradient’s parameters:

Try to represent a highlight on the heart, choosing for this operation the Custom Shape Tool (U). Then press Alt button while applying the Pen Tool (P) and the Convert Point Tool to represent a kind of zone which must be cut out later.

The layer’s parameters: Fill 0%
Blending Options>Gradient Overlay

Gradient’s parameters:

Next we’ll combine in a group the layers composing the heart (press Ctrl button to mark out the necessary layers and then press the left mouse’s button while moving the marked layers on Create a new group option) Make a copy of the got group and choose Free Transform option to put the copy the same way indicated on the next picture, also changing the copy’s sizes:

Download sets of ready to use brushes in Adobe Photoshop, named: Ideal__s_Vector_set_3, Straight_Grunge_Lines_Brushes_by_DieheArt, Vector_Flower_Brushes_by_Yasny_chan.
Create a new layer, applying the brushes out of the set with the name Ideal__s_Vector_set_3. The brushes have black color and #6D0E12. The brushes’ layer should be placed lower than the layers composing the heart and the layers containing the horizontal lines:

Set for the brushes’ layer the parameters from below: Fill 35%

On the next new layer we’ll apply the brushes out of the set Vector_Flower_Brushes_by_Yasny_chan, having the color #341d19. This layer will be placed lower than the hearts’ layers and the horizontal lines’ layers:

Using the same method we’ll introduce several more ornaments, applying this time the brushes out of the set, named Vector_Flower_Brushes_by_Yasny_chan. The brushes have black color and their layers will be placed lower than the hearts’ layers and the layers containing the horizontal lines:

On the last stage we’ll create a new layer to use there the brushes, named Straight_Grunge_Lines_Brushes_by_DieheArt with the color #FDAEB2

Finished!

View full size here.