Hollywood hardman Bruce Willis is struggling to act opposite Oscar-winner HALLE BERRY - because her beauty blinds him. The DIE HARD star, who is currently filming new thriller PERFECT STRANGER alongside the star, insists she is so incredibly stunning it hurts his eyes. He says, "I get all awkward. She's beautiful. It's almost like looking at an eclipse of the sun. "You have to take a pin and poke it through a card and look at her through that. "You could damage your retina."