Star Maker by Cindy Jefferies

The eleventh book in the Fame School series follows Tara and her band. After winning the battle of the bands competition, they've become famous all over the country and are in high demand. Tara hates the spotlight and is dreading performing at a summer festival. When the band's drummer falls sick, she sees it as a perfect excuse to cancel. Will she get the band to pull out of their biggest gig ever?