The ornamental design for the bridal bow collector, as shown and described.
FIG. 1 is a front view of the bridal bow collector showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken line showing of the bows in FIG. 2 is included for the purpose of illustrating environmental structure and forms no part of the claimed design.