"No one's ever really gone...", Hamil, 66, wrote alongside three photos, adding the hashtags, "#AlwaysWithUs #CarrieOnForever".
The film has been dubbed a tribute to Fisher, who played Princess Leia - known as General Leia Organa in the latest release. The third image was an illustration of Fisher holding her beloved dog, Gary, while flipping her middle finger. It was later determined that the star's cause of death was sleep apnea and a combination of other undetermined factors.
One quoted a line from her 2008 autobiography, Wishful Drinking: "One year ago today, Carrie Fisher, age 60, drowned in moonlight, strangled by her own bra".
There have been some Star Wars fans who have been critical of the portrayal of an aging Luke Skywalker as a cynical, pessimist in The Last Jedi, the latest chapter in the epic film series. "Maybe he's Jake Skywalker - he's not my Luke Skywalker".
Star Wars director Rian Johnson says Ireland is "a gorgeous place".
"Beauty and the Beast" actor Josh Gad tweeted a gif of Fisher, writing, "We miss you". Of course "fans" picked up on that and decided he hated the film, despite the fact that in every interview he did he also said that he came to terms with that direction and realized it was a fantastic way to go. "I think being pushed out of your comfort zone is a good thing, because if I was just another benevolent Jedi training young Padawans, we've seen it!" "But Carrie and I found pretexts". "'Well I think I'm a fairly good kisser".
Lourd began by honoring her mother's love of emojis (as evidenced by her colorful Twitter account that featured plenty of symbol-filled tweets) and referencing a joke of Fisher's that has become poignant since her passing.
Hamill also opened up about struggling to cope with the loss of his longtime onscreen sister. As I did so she leaned back and told me 'I'm not saying that I'm drunk.