From Starwars.com:

"Actress and popular performer Carrie Fisher is scheduled to appear at Star Wars Celebration Japan, the three-day festival set for July 19-21 near Tokyo. Fisher, who portrayed the heroic Princess Leia in the original Star Wars trilogy, has recently been traveling with her successful one-woman stage show, Wishful Drinking.

Always a favorite with audiences and Star Wars fans, Fisher is scheduled to appear daily in the Celebration Japan autograph hall to sign autographs and meet fans in person. She will also appear on stage for what is sure to be a lively and entertaining interview."

Click here for the full post at the main site.

UPDATE: Unfortunately Carrie has had to cancel her appearance at Celebration Japan.