Zac Efron already has millions of devoted fans, three massively successful "High School Musical" movies under his belt – and according to ShoWest, it's only the beginning for the young actor.
The 21-year-old actor has been named breakthrough performer of the year by ShoWest, according to Variety.
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Zac joins fellow honorees include Sienna Miller, Chris Pine and Bradley Cooper at the annual entertainment convention in Las Vegas.
Zac will next be seen in the comedy, "17 Again," with Matthew Perry.
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