Clara Alonso is the same age as the rest of the cast that act as studio kids.
Martina Stoessel was 14 when the show started, while the rest of the cast was 18 and up.
The producers cried when Martina sang in the first audition
Jorge Blanco didn't audition, the role was made for him
Clara Alonso and Diego Dominguez were actually dating in real life till 2018.