Zac Efron Shirtless In Italy Vacations

Enjoying his summer days with pals, Zac Efron flew over to Italy for a relaxing vacation with Gianluca Vacchi and Youseff Giga.

The "High School Musical" hunk starred in a couple Instagram videos posted by Vacchi. In the first, Efron sits on a dock next to Michelle Rodriguez who is in a full headstand.

In the second clip, Zac dances to Jason Derulo's "Wiggle" and shows off his groovy skills. Vacci captioned the video, "dancing on the table for girls me, Zac @zacefron, youssef @youssefgiga.”