A lot of people think that its Carly Rae Jepsen feat. Owl City, but Owl City was the one to make the song. Therefor its Owl City feat. Carly Rae Jepsen
This is the video I took at the Owl City buổi hòa nhạc in Sydney Australia back in August. Seriously, the BEST night of my life!!!(I got to meet ADAM!!)