She was voiced by Debi Derryberry.
Kerstie is kind to all her friends,loves to bake things and eat also. She is a baker in Pollyville. She is also funny and like Polly, she loves adventures and always telling stories about them.
Kerstie has light skin, brown hair and blue eyes. Even though she's a baker in Pollyville, she is discontinued in the gang in 2013. Her baker appearance changes with short brown hair, a chef and the same blue eyes. She was discontinued, due to her lack of popularity in the doll company.