I thought they replaced Kairi's voice actress.

[Sharon]

Kairi sounds so different from trailers of the of the game and I thought they replaced Alyson Stoner as her voice actress but she actually retained the role. I guess her being 25 years old now changed her voice throughout the years despite of the character is still young. She started voicing her as a teenager. I know in the first game she was voiced by Hayden Panettiere but she wanted to focus more with her onscreen acting. Allyson Stoner had been voicing Kairi for years and it is weird that the character didn't get older while her voice got older. I think they should have made Sora and Kairi a bit older since their actors are aging too.