Tisdale also tells PEOPLE why her niece didn't ask for any advice before portraying Sharpay Evans in a stage production of ...

Ashley Tisdale's daughter Jupiter, 4, adorably channels Sharpay after revealing her 'High School Musical' obsession. The ...

Jupiter, Ashley Tisdale's 4-year-old daughter, is completely obsessed with 'High School Musical,' especially after ...

Here are 19 of the most hated characters across film and TV, ranked.