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

For the diva-licious Sharpay Evans, the answer is one word ... The coat, which was created by Emmy-nominated costume designer Tom McKinley, is one of McKinley’s favorite pieces.

Ashley Tisdale stole the show as Sharpay Evans in Disney's beloved High School ... ready to put on one of the character's over-the-top costumes again. Earlier this year, Tisdale revealed that ...

Ashley Tisdale recently took her daughter Jupiter, 4, to see her niece, Mikayla, portray Sharpay Evans, the same role ... Mikayla's costume looked eerily similar to the original outfit Tisdale ...