Photo Credit: Getty Images

Zac Efron has stayed quiet on social media since news broke about him going to rehab for a reported coke addiction. However, he did break his silence today with a tweet and a picture to his fans.

He tweeted the picture below with the message:

"Hey Guys! Just returned from an incredible trip to Peru with my dad and wanted to thank you all for your support these past few weeks...means the world to me. Love you guys! -Z"