The Lonely Island
Jack Sparrow- featuring Michael Bolton
This is off their 2011 CD - Turtleneck and Chain - which comes with a DVD of 9 of their videos as well.. Michael Bolton sings on the track and the video is very amusing.. who knew Michael Bolton was funny?? LOL
Like a Boss
Seth Rogen is featured in this video - Seriously - where do they come up with this stuff?? Too funny..
the Creep
Nicki Minaj and John Waters are featured in this video. These guys aren't kidding.. they're creepy!! LOL
I Just Had Sex
Akon featured in this video.. It's a GOOD song too!! Very very amusing..
Boombox
Julian Casablancas featured in the video. They're slow-motion takes are priceless.. everyone's FACES!!!
I'm on a Boat
T-Pain featured in video. I love how he sounds - his voice - and it's another great song.. and funny of course..
Jizz In My Pants
This is the first video I saw from them - I was literally on the floor laughing.. Tres bon!!!
Want more??

There's more gnarly stuff at the Lonely Island's page on youtube.. lots of different stuff on there.. and you can subscribe and get updates.. Enjoy!! Here's the link