The ornamental design for a personalizedguitar-shaped keychain, as shown.
FIG. 1 is a top plan view in elevation of the personalized guitar-shaped keychain;
FIG. 2 is a side view of the personalized guitar-shaped keychain of the present invention, as seen from the bottom side of FIG. 1;
FIG. 3 is a side view of the personalized guitar-shaped keychain of the present invention, as seen from the top side of FIG. 1;
FIG. 4 is a side view of the personalized guitar-shaped keychain of FIG. 1, as seen from the left side of FIG. 1;
FIG. 5 is a side view of the personalized guitar-shaped keychain of FIG. 1, as seen from the right side of FIG. 1; and,
FIG. 6 is front perspective of the personalized guitar-shaped keychain of FIG. 1, as seen from the left side of FIG. 4.
The broken line showing a personalized name in the middle of the design is included for the purposes of illustrating an exemplary personalized name and forms no part of the claimed design.