"Call Me Maybe" Supercut Makes It Official…

This is definitely the summer jam of 2012. See if you can spot James Franco, Katy Perry, and Justin Bieber! There are other celebs as well, and my personal favorite Carly Rae Jespen fans, the Harvard baseball team.

  Your Reaction?

    Starting soon, you'll only be able to post a comment on BuzzFeed using a Facebook account or via our app. If you have questions or thoughts, email us here.

    Now Buzzing