The female vocals for Keith Urban's We Were Us duet were made famous by fellow country artist Miranda Lambert, but this week a high school senior got to show her stuff performing the song onstage with Urban in Cincinnati, Ohio.

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On Wednesday, Cincinnati.com reported that Oak Hills High School senior Grace Aufderbeck won a radio contest giving her the opportunity to perform live with Urban at Riverbend Music Center on July 31.

The competition, sponsored by Capitol Records Nashville, was designed by the country star himself. Urban requested a local radio station advertise the contest in order to help him find a female vocalist to join him for the performance.

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After some encouragement from friends, Aufderbeck entered the competition by submitting a video of herself at 2 a.m. singing the song to the radio station B-105. The following day she received a call informing her that she had been chosen.

The teen was amazed and thankful for the opportunity. "When I walked onto the stage, I just looked at the crowd and you think I would have been nervous, but it felt right being up there," she explained. "This was just a big dream come true and this is something I will never forget."

The touching duet with Aufderbeck comes just five days after Urban's disastrous Mansfield, Mass. concert, which was deemed a "mass casualty incident' by police after 24 attendees were treated on site for alcohol related issues and 24 were sent to the hospital. The concert also resulted in criminal charges being brought against 18-year-old Sean Murphy, who has been accused of raping a 17-year-old girl while in attendance at the performance.

Tags: keith urban We Were Us Music