Ashton Kutcher & Katherine Heigl: Killer Couple

Costars Ashton Kutcher and Katherine Heigl have a ball together, filming scenes for their upcoming movie Five Killers at the Eden Rock Hotel in the classy Caribbean island of St. Barts on Saturday (April 4).

Ashton‘s wife, Demi Moore, was also spotted on set.

“Just took a plunge in the sea,” Ashton blogged earlier on the movie set. “Brrrrr. 40 degrees Fahrenheit. Reminded me of my rescue swimmer friends.”

15+ pictures inside of Killer couple Ashton Kutcher and Katherine Heigl…