"Did you know that when you slow down Adele it's actually Sam Smith," he asked.
He shared this clip of Adele's "Million Years Ago" as further evidence:
The musical resemblance sent other people on Twitter into a mini-meltdown, with many posing the same question:
Others simply marveled at the coincidence:
Twitter user @Mubzy added further fuel to the theory with this post:
Indeed, a Google Image search of the terms "Adele" and "Sam Smith" throws up no images of the pair together, in the same place at the same time.
Adele and Smith appear to have only been in contact publicly over Twitter once, back in 2013:
Not everyone was convinced, however, and some tweeters called for further investigation:
Which is what one person did:
And sadly, speeding up a Sam Smith song did not make it sound like an Adele track. Oh well, it was fun while it lasted ...