Josh Brolin struggled to film sex scenes with Megan Fox in upcoming movie Jonah Hex - he had to kiss the brunette beauty while wearing a bulky mouthpiece.

The actor spent three hours in the make-up chair having his mouth stretched open with tape and facial prosthetics fitted to transform into anti-hero Hex - a badly-scarred American Civil War veteran - for the big-screen adaptation of the comic book.

And the cumbersome make-up meant he couldn't perform at his best during steamy scenes with the stunning actress.

Brolin explains, "It was tough to figure out how to kiss with that thing on. To be honest, it was uncomfortable; those scenes are uncomfortable. It was especially uncomfortable because I had this thing on my face."

Josh Brolin Photos

(This news article provided by World Entertainment News Network)