The ornamental design for a hairbowassembly, as shown and described.
FIG. 1 is a perspective view of a hair bow assembly showing my new design;
FIG. 2 is a front elevational view showing the design attached to a
barrette, the broken lines showing the barrette being for illustrative
purposes only and forming no part of the claimed design;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom view thereof.
The portions of the hair bow obscured by the barrette in broken lines form
no part of the claimed design.