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Henryville Junior-Senior High School students won an online contest to bring in the top-selling act, which also is playing a full benefit concert later Wednesday at the KFC Yum Center in nearby Louisville, Ky.
At a prom-style party in Louisville's downtown arena overlooking the Ohio River, the band surprised the students by playing for them in a private show. Teens in casual clothes cheered and screamed under a disco ball hung over the dance floor.
"Each and every one of you have inspired us, and we're so honored to be here, I know it's your second prom technically," said singer Hillary Scott. The band couldn't play at the high school's actual prom last month because of a scheduling conflict.
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