The "G.I. Joe" hunk dutifully admired his lovely lady's curvy bikini body as they soaked up the rays alongside a few friends.
As for the reason behind the trip, Channing and Jenna are among a number of stars participating in the Ischia Global Film & Music Festival festivities.
The pair attended a Belstaff hosted soiree on Sunday night (July 11), during which they treated the crowd to a reenactment of their first dance as a couple in the movie "Step Up".
