Zac, 22, owned up to being a geek at school.
“I wasn’t a heartthrob at school, I was a geek,” he admitted.
“I was a gawky 17 year-old. A lanky, skinny, awkward kid.”
Zac also spoke about his friends, and how they keep him grounded.
“My friends treat me the way they always did. If I was arrogant towards them they would kick my ass.”
He certainly isn’t an awkward little teen any more, he looks all-man with that new beard – what do you think of Zac’s facial fuzz?