Zac Efron: 'The Lucky One' in Berlin!

Zac Efron gets swarmed outside the Sat 1 Studios on Wednesday morning (April 25) in Berlin, Germany.

The 24-year-old actor signed as many autographs as he could before returning to his hotel to get ready for the premiere of his new flick, The Lucky One, which was held at Cinestar at Potsdamer Platz square.

PHOTOS: Check out the latest pics of Zac Efron

Zac and his fans just welcomed costar Taylor Schilling to Twitter!

“Hey guys. This is Zac. Just talked to Taylor and she told me she joined Twitter. Follow her at @TaySchilling. Sweet!” Zac tweeted and that turned into a trending topic on the site.

10+ pics inside…