G.I. Joe stars Sienna Miller and Rachel Nichols have permanent reminders of the film's most explosive action sequences - they were left scarred, cut, bloodied and bruised.

Miller was left with a scarred breast when the spark from an on-set blast found its way into her cleavage and Nichols admits she sat through the new movie's premiere still suffering from her on-set injuries.

Miller says, "We worked really hard and we're really proud of it. We wanted to give the girls out there a girl fight that was strong and matched the guys with no hair pulling or scratching or biting. We wanted to punch and kick. We both got hurt. I got some sparks in my cleavage. Something exploded one time... and I think a spark went off a little too early and found its way to my breast. It definitely hurt; I got a scar."

And Nichols adds, "There were raspberries (broken blood vessels) and bruises and scrapes. I burned some hair off. It all hurt, but then you see the fight in the movie and it all goes away. It was all worth it."

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(This news article provided by World Entertainment News Network)