With the on-going feud between Katy Perry and Taylor Swift, many people believe that this was a subtle way of throwing shade at Calvin Harris' ex-girlfriend, Taylor Swift.
ALBUM COMING JUNE 30 pic.twitter.com/zHJpBRdpqq
— Calvin Harris (@CalvinHarris) May 9, 2017
Even if it wasn't mean to directly throw shade at Taylor Swift, we can only imagine this came up once or twice while in the studio.
We're just glad to see that Calvin Harris and Taylor Swift are friends again.