Change a little the colors: Image ? Adjustments ? Hue/Saturation (ctrl+u).

Girl next door - Wallpaper with Jessica 
Alba

Make use now of the Custom Shape Tool and the next command Edit ? Free Transform (ctrl+t) on a new layer and insert the ornaments out of the standard set. We have to change also their placement's corner and the size (the color should be the same the girl's dress is, using the Eyedropper Tool):

Girl next door - Wallpaper with Jessica 
Alba

Make a copy of the girl's
  
layer (ctrl+j) and place it above the ornaments' layer. Then group them out: Layer ? Create Clipping Mask (ctrl+g) and finally enlarge a little the picture (ctrl+t).

Girl next door - Wallpaper with Jessica 
Alba

Combine the grouped layers (ctrl+e) and select the next options: Edit ? Stroke?, firstly for the ornaments' layer and then for the girl's layer.

Girl next door - Wallpaper with Jessica 
Alba

Girl next door - Wallpaper with Jessica 
Alba