Blythe (voiced by Ashleigh Ball) is an aspiring fashion designer who has recenty moved from her ideal suburban town to Big City. Upon her arrival, she encountered the Biskit twins, and realized they wouldn't be friends. She was very surprised to find out that she could talk to and understand the animals in Littlest Pet Shop, and they ask her to help save the pet shop (since she is the only one who can communicate with them). She puts on a fashion show, designing outfits for all of them. The Biskits attempt to thwart her, but fail. Her fashion show was a hit and made business rise for the pet shop, allowing it to stay.
She is friends with Sue Patterson, Jasper Jones, and Youngmee Song and has a crush on Josh.