Justin Bieber had a crush on selena gomez, justin walked to her because her baby sister is born. Justin bieber wanted to congratulate her so he reaches her, Justin bieber, a very popular musician and dancer is going to be sketched in a zombie cartoon character. Before this we have drawn the zombie character of selena gomez, you can check that out here ( How to Draw Cartoon Zombie of Selena Gomez ).
First draw the basic oval shape, then draw arcs using compass or any other available tool which you want to use, then draw the hair of zombie character of justin bieber, care must be taken while drawing these shapes, they should be accurate in size to get a precise shaped character. Draw other shapes like nose, eyes and mouth. As we are drawing zombie so draw patches on the face of justin bieber. We used different color for each step you can use same color in all steps but go through all steps before trying your self.