Jesse McCartney has a huge smile on his face as he arrives at the premiere of his new flick, Chernobyl Diaries, held at Cinerama Dome on Wednesday night (May 23) in Hollywood.

The 25-year-old actor hosted a fan Q&A session on his Twitter before the screening.

“One of my favorite moments in the filming process was getting a chance to spend some time in Budapest, Hungary. Amazing Place!!!” Jesse tweeted about working on the thrilling movie.

He added, “It was more fun than anything, but it had its scary moments for everyone in the cast as we were all in an unfamiliar place!!”

10+ pics inside…