FIG. 1 is a front elevational view of a showerhead showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a perspective view thereof.
The dotted lines shown in FIGS. 1, 3, 5-7 form no part of the claimed design.