Grace is Nancy's frenemy, she mostly appears as the antagonist.
Grace is a fair-skinned young girl, she has brown hair with a ponytail and bushy eyebrows. She usually wears a white shirt with blue stripes behind a yellow jacket with red borders, a red Capri legging and blue shoes with white socks. She usually appears using her bike, so she also uses her bike protective gear.
She is from a wealthy family, so she has a lot of good things to brag to the neighborhood's kids, which is the reason why the kids don't like Grace; Her family is unknown but her house and her bedroom appeared in "Mon Amie... Grace?", she has a doll named "Penelope" , a bunny named "Fritters", and a pony named Pepper.