It seems like we've been seeing a lot of Zac Efron lately, namely his abs. Really, what did we do to deserve this gift? We should point out that the world hasn't always been so lucky to have such a svelte star to stare at any time we want. The Neighbors actor has been steadily building up his physique over time. And we have gone through every important stage to pinpoint the evolution of Zac's body just for you. Check it out!


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