"I've always loved singing and music, and I just gradually got interested in theater, and, well, now I love it," Kirsten said.
In June, she will star as Rosemary in the Youth Theatre's production of How to Succeed in Business Without Really Trying.
"The show is really funny and is almost a satire, especially my character," she said.
Kirsten describes Rosemary as the "quintessential 1950s housewife who is always happy to have her husband's dinner ready and warm."
Although she enjoys playing the part, Kirsten is quite the opposite of Rosemary.
"I'm sort of a feminist," she said, but added that the show and the characters are all in good fun.
Asked about her plans for the future, Kirsten said : "I want to perform."