Leia is a Bird Side character. Her design was taken directly from the original Leia in the original game: Angry Birds Star Wars. Her costs are as follows:
Remember, all permanent characters can only be used once per level!
Leia's special ability is the same as the not-upgraded ability from the original game- a powerful pink tractor beam which attracts objects.
Leia appears four times in her special level in the Reward Chapter-- B-14.