Jett would have turned 17 this month.

The "Grease" actor who had lost his son in January this year during a family holiday in the Bahamas, spent four days at the upscale Intercontinental Tahiti resort, and did not leave his room at all during the entire trip, reported ‘People’ magazine.

"He told the hotel manager, 'I don't want to see anyone. I only want to rest,' " a source told the magazine.

The 55-year-old actor and his wife Kelly Preston have kept a low profile since the death of their elder son and earlier in the week, the couple had spent three days in Melbourne.

"He is still in mourning about his son. This is not easy and everyone has their own process. He's always there for his family but he is still healing," a source close to Travolta said of the actor's trip.