These first two give the girls a look more accurate to their source material.
Prima Ballerina Cinderella
Cinderella decides that her dancing skills shouldn't be limited to fancy balls.
Outfit: Swan Lake Ballet Barbie
Prom Night Ariel
Okay, there's no good rationale here, I just thought the dress looked way better on her than on its original owner.
Dress: High School Musical Sharpay
Tiara: Unknown
Shoes: Cinderella
Sporty Jogger Snow White
Because sometimes you need to outrun the bad guys.
Shirt and Pants: Flavas Barbie
Sneakers and Hat: 99 cent 'Sports Doll'