Honestly: Dark Horse >>>>>>>>>>> Roar >>>>>>>>>>>>>>>>>>>>>> Walking On Air
However, I like this song too, it's something fresh and unique in Katy's sound. I appreciate, it's the "weird-unexpected" track of the album, as Peacock for TD.
After listening to it for around 50 times, I gotta to say the repetitive lyrics are making me getting tired of the song. Also, the intro is kinda meh and there are only like 2 verses before the buildup