Waterpark Girl (unnamed)
The Waterpark Girl is a character who very briefly appears in Spy Kids 3-D: Game Over. She is Selena's first role in a movie.
She has hired Juni, Ex-spy now turned private detective in order to find out why the water in her water park, known as "Agua Park", is missing. He reveals that the water has been shut-down by the people who own it during the winter season. After the reveal she pays he his standard fee of $4.99. She is played by former Barney & Friends star and the Disney actress & singer, Selena Gomez.