Teenage Dream - Piano Arrangement

I had started writing this one out a long time ago, but never finished it. So a few days ago, I was watching Boyce Avenue’s cover of this song ( and I just had to finish it. I feel like I should do some more pop songs instead of just KH and GG. Thoughts? MP3/MIDI/Sheets: Programs used: MuseScore, Garageband, Quicktime, iMovie, on-screen program is Synthesia.