Luke Bryan jumped into the crowd to rub against his fans, Taylor Swift joined Tim McGraw and Keith Urban and Zac Brown Band stood next to Kenny Rogers and Kid Rock. There were no shortage of surprises during Thursday's (June 6) 2013 CMA Music Festival concert at LP Field in Nashville.

Pictures from the nearly-sold out event prove that the unexpected was the only thing to be expected. Each artist performed a shortened set during a star-studded evening in Music City.

2013 CMA Music Festival Pictures

Rick Diamond, Getty Images
Rick Diamond, Getty Images
Rick Diamond, Getty Images
Christopher Polk, Getty Images
Christopher Polk, Getty Images
Rick Diamond, Getty Images
Christopher Polk, Getty Images
Christopher Polk, Getty Images
Rick Diamond, Getty Images