We claim the ornamental design for an inflatable bed with headboard, as shown and described.
FIG. 1 is perspective view of the inflatable bed with headboard of the present invention;
FIG. 2 is a top plan view of the inflatable bed with headboard of the present invention;
FIG. 3 is a bottom plan view of the inflatable bed with headboard of the present invention;
FIG. 4 is a right plan view of the inflatable bed with headboard of the present invention;
FIG. 5 is a left plan view of the inflatable bed with headboard of the present invention;
FIG. 6 is a front plan view of the inflatable bed with headboard of the present invention; and,
FIG. 7 is a rear plan view of the inflatable bed with headboard of the present invention.
The ornamental design which is claimed is shown in solid lines in the drawings. Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.