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Carrie Fisher as Princess Leia gets up-close and personal with a Gamorrean guard

Does this thing really fly? Carrie Fisher and Billy Dee Williams, who played Lando Carlrissian, having a joke aboard the Millennium Falcon

Unseen photographs from the making of 'Empire Strikes Back' show a more relaxed side to the actors, such as Carrie Fisher and Harrison Ford

Unseen photographs from the making of 'Empire Strikes Back' show a more relaxed side to the actors, such as Mark Hamill

He's only a Wookie: Carrie Fisher and Peter Mayhew, who played the giant wookie character Chewbacca