Wondering how you're going to kill those final two hours at work on a Friday afternoon?
Sit back and enjoy our favourite five viral celeb videos... and then share your favourite You Tube vids with us in the comment box below...
5. Lindsay Lohan up to no good (or not)
4. Tom Cruise getting his groove on
3. Paris Hilton's new BFF
2. Loads of American celebs showing they do get sarcasm
1. Who needs Barack Obama when there's Paris Hilton?
