VIDEO: Jason Segel & Paul Rudd Tell Rush 'I Love You, Man'

I Love You, Man's Sydney Fife (Jason Segel) and Peter Klaven (Paul Rudd) finally got to meet Rush and they still love them!

OK! GALLERY: PAUL RUDD & REESE WITHERSPOON GRIN IN BERLIN

"Talking like a leprechaun" and "slapping the bass big time," Sydney and Peter were at it again celebrating their love for Rush and this time they crash the band's green room.

Syndey got tickets for Peter's birthday and they even grew their show beards, just for Rush, in this new Funny or Die video!

OK! VIDEO: ANDY SAMBERG "JUST HAD SEX" WITH BLAKE LIVELY

Watch the clip below!

Jason Segel & Paul Rudd Meet Rush from Jason Segel