School Musical star is Down Under filming indie survival thriller Gold, co-starring alongside Aussie Anthony Hayes, who is also directing.He showed off his supremely toned biceps in a black tank top and shorts, while he posed for selfies with bystanders on his way back to his hotel.The 33-year-old carried a boom box, accessorised with a black beanie, sunglasses and New Balance trainers.Zac was subjected to mockery over the summer for what some called his ‘dad bod’.The Baywatch star made headlines when he supposedly split from 25-year-old waitress Vanessa Valladares last month, after a whirlwind summer romance.But she was spotted sneaking out a different door of the same gym where Zac had been sweating it out with his personal trainer.She.
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