The ornamental design for a lotionbottle, as shown and described.
FIG. 1 is a perspective view of a lotion bottle showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line shown in the FIGS. 1 and 6 is included for the purpose of illustrating the unclaimed portion of the lotion bottle that includes the unshaded area(s) adjacent to the broken line.