It's not secret that Zuckerberg has been a longtime fan of Green Day; not only does the Facebook co-founder 'Like' the band on Facebook, he has also referenced his love for the group in presentations.

So it's no surprise that Billie Joe Armstrong, the lead singer of the pop punk band, might have gotten a special invite to perform at Zuckerberg's surprise wedding on Saturday.
A clip posted on
TMZ indicates that the Green Day frontman played the song “Last Night on Earth” as the couple shared a dance in front of about 100 clapping guests. More from
PEOPLE:
Green Day's Billie Joe Armstrong performed at Zuckerberg's Palo Alto, Calif., nuptials on Saturday, PEOPLE has learned exclusively.
"They've been friends for some time," a source close to the artist tells PEOPLE of Zuckerberg and Armstrong. "He wasn't paid. It was a total impromptu wedding present for a friend."