Zac Efron as you've never seen him before! Actor undergoes WILD transformation for new film Gold

Zac Efron's ex Vanessa Valladares strips down to a bikini for a swim at a Byron Bay beach

Zac Efron's ex-girlfriend Vanessa Valladares gets romantic with Byron Bay artist Todd Clare

Zac Efron's ex-girlfriend Vanessa Valladares goes barefoot and makeup-free in Byron Bay