The song "Breaking Free" is sung by  Drew Seeley, Zac Efron, and an actress that made her film debut in what movie?
Breaking Free:  It is sung by Drew Seeley, Zac Efron, and Vanessa Hudgens. Vanessa Hudgens:  After making her feature film debut in "Thirteen" (2003), Hudgens rose to prominence portraying Gabriella Montez in the "High School Musical" film series, which brought her significant mainstream success.
"Thirteen"