So the first step is to make a selection so we can separate the model from the top graph and we can use the quick selection tool. 
Just click and drag to make a selection.
After that check for other details that we need to fix for example here this part here. No rescue to enter the quick mask mode. 
And you can use the brush tool and brush the parts that you need to fix. After using the brush rescue, the next step is to create a fill layer or an adjustment layer to create that just think here on the bottom left.The Fill or adjustment layer and select solid color 
As you can see we actually have the color in our modern not in our Barbara So solve that you can simply click this and then click invert. Now the color is now in the background. The last step is to change the blending option of the adjustment layer to multiply. 