After news hit this week that the The Force Awakens, her longtime co-star and friend had a few things to say.will return as Leia in , which will use unseen footage shot for
"It's bittersweet facing my final chapter without her; she is simply irreplaceable," Hamill tweeted on Sunday. "I'm finding solace in the fact that she won't be replaced & would love the worldwide outpouring of affection from those who loved her when they heard the news. #CarrieOnForever."
Hamill and Fisher have been portraying the iconic brother and sister duo Luke Skywalker and Leia Organa ever since Star Wars: A New Hope debuted in 1977.
Fisher's real life brother, Todd Fisher, voiced his approval for director J.J. Abrams' decision to use unseen footage instead of visual effects for his sister's role in Episode 9, TheForce.net reports.
"As we, her family, as well as her extended family of fans around the world so believe, Carrie's Princess Leia is forever entrenched in the franchise and her indelible presence is fundamental to the film," he wrote in a statement.
"J.J. Abrams understood Carrie's iconic role, and he has masterfully re-crafted this final entry to include this unused and very last footage of Carrie ever taken, without resorting to CGI or animatronics."
Fisher passed away in 2016, after she finished filming her role in Star Wars: The Last Jedi.
The yet-to-be-titled Star Wars Episode 9 opens worldwide in theaters on Dec. 20, 2019.
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First published at 7 p.m. PT on July 29.
Updated at 5:29 a.m. PT on July 30: Adds statement from Todd Fisher.