Zac Efron: 'Paperboy' Set on Saturday!

Zac Efron shows off his muscles in a tank top as he leaves the set of his film The Paperboy on Saturday (January 28) in Los Angeles.

The 24-year-old actor was joined on the set by his co-star Nicole Kidman, he was spotted walking around in costume.

Zac will soon be making his way around the talk show circuit for his upcoming animated flick The Lorax!

It was just announced that Zac and his co-star Taylor Swift will be making an appearance on The Ellen DeGeneres Show on February 21. Set your DVRs now!

10+ pics inside of Zac Efron…