In 2008 , Tisdale formed her own production company , Blondie Girl Productions . The television film '' Picture This '' ( 2008 ) marked Tisdale 's debut as an executive producer and as an actress in a leading role ; she played Mandy Gilbert , an unpopular and bullied teenager . The film premiered on ABC Family in 2008 to 4.3 million viewers . Tisdale again appeared as Sharpay Evans in '' High School Musical 3 : Senior Year '' , which premiered in October 2008 . It earned $ 42 million in its domestic opening weekend , and grossed a total of $ 255 million worldwide . Her performance in the film earned her critical acclaim , earning an MTV Movie Award for " Breakthrough Performance Female " in 2009 . Owen Gleiberman of '' Entertainment Weekly '' labeled her one of film 's breakout stars , and Mark Kermode said Tisdale was 2008 's " best supporting actress "
MTV Movie Award
2009 MTV Movie Awards
Ashley Tisdale