Who says celebs aren't real people too?
There's really not much to it, other than awesome shark footage and films but everyone seems to rant and rave about it.
Not only is the week looked at by many as a yearly, week-long holiday, but they also blow up Twitter and Facebook about the cool shark shows too.
Science geeks and kids aren't the only ones excited about the marathon. See which celebs tweeted about Shark Week 2012 below!