#TBT: See Zac Efron as a scrawny little leaguer

JUST ADDED: 5 Seconds of Summer will be rocking the stage at this year's iHeartRadio Music Festival Village in Las Vegas! The band sat down with Ryan Seacrest to break the news. Click here to buy your tickets now, before they sell out!


Check out the full lineup for this year's iHeartRadio Music Festival



(Yahoo!) - Then: Neighbors star Zac Efron was totally the gap-toothed boy next door in this undated photo snapped during his little league days. A wisp of a kid, his Cleveland Indians uniform looked big on him (that wee waist!), but we could spot those blue peepers anywhere — even under a ball cap.

Now: My, little Zac has grown! Now 26, he's trying to shed his High School Musical image — and can't stop showing those abs, whether it's for movie roles or the viewing audience of an award show. He's transformed that string bean bod from his young baller days and is now known for washboard abs and sculpted arms. Efron for the win!

Photo Credit Getty Images


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