The ornamental design for a chocolatesanta with stars, as shown and described.
FIG. 1 is a perspective view of the chocolate santa with stars design;
FIG. 2 is a front view of the chocolate santa with stars design;
FIG. 3 is a left side view of the chocolate santa with stars design;
FIG. 4 is back view of the chocolate santa with stars design;
FIG. 5 is a right side view of the chocolate santa with stars design; and,
FIG. 6 is a top view of the chocolate santa with stars design, the bottom not being a part of the claimed design.
The broken lines in the drawings illustrate environmental structure and form no part of the claimed design. The stippling represents a contrasting appearance.