Who is Vanessa Hudgens replacement in High School Musical 3?

There was no replacement for Vanessa Hudgens in *High School Musical 3: Senior Year*. She starred in the film alongside Zac Efron, Ashley Tisdale, and Corbin Bleu.

It's possible you're thinking of a different film or perhaps a rumor you heard. There was no actress who replaced Vanessa Hudgens in the *High School Musical* franchise.