Shawn Mendes and Camila Cabello Post Teasers on Instagram and OMG!!!!!

The most popular fan theory is that they have done a song together…possibly called Senorita.

Camila’s video shows her working as a waitress and in the video Shawn posted it looks like they are about to make out.

Shawnmila is currently wreaking havoc on social media.  Scroll down to see some of the reactions…