PHILADELPHIA (CBS)–The graduates at Fairleigh Dickinson University’s commencement ceremony receive a big a surprise from Bon Jovi.

The rock band put on an impromptu performance during the ceremony at Met Life stadium in East Rutherford Tuesday.

Fairleigh Dickinson won a nationwide contest to bring Bon Jovi to play their graduation by generating the most interest on social media.

Jon Bon Jovi is a New Jersey native.

Most of the students did not know he would be appearing.