Voiced by Jane the Virgin's Jenna Ortega, who called the role "a dream come true" in a press release, Isabel is described as a "budding inventor." We can't wait to see her cleverness in action on the sisters' upcoming Disney Channel show, which premieres later this Summer.
One important question: will Isabel get her own gorgeous princess gown like her big sister Elena? Only time will tell. Until then, take a scroll through our sneak peek at the Elena of Avalor doll collection.