Zac Efron Thanks Fans for Support Post-Rehab

Zac Efron is looking happy and healthy following his trip to rehab.

The actor broke his silence Friday for the first time since it was discovered he completed a stint in rehab five months ago for cocaine.

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Efron posted a photo on Instagram of him in front of the famous Machu Picchu ruins.

"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!" he wrote. 

Efron's next film Parkland is set for release Oct. 4.