Either twin would work for this story.
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Sara is a 14 year old girl who loves to dance. One day she auditions to dance for a performer. She instantly becomes a hit because of her story and passion. She starts to become more famous and starts dancing solo. But she soon finds out that being a celebrity isn't all she thought it would be, and that the guy she had a crush on wasn't so perfect anymore.

(optional cover I'm media section. I do have more or you can make your on.)