Get Wylde (2011)

Social leper Heather Wylde has her boring, ordinary life turned upside down when the fledgling fashion designer and self proclaimed "weird kid" wins the right to style Jordan Hamilton, the hottest pop star on the planet for one of his special appearances. Heather's success irks Michelle Barber the High School's resident mean girl who sincerely believes that no one at that school should ever out shine her. Ever. Heather's unique designs are a hit making her literally an overnight fashion sensation.