Watch: Niall Horan and Shawn Mendes just sang a song together and it is sure to break the internet!

The American Music Awards was filled with stars galore; from ex-One Direction mates Niall Horan and Zayn Malik to the return of Selena Gomez after two and a half months. 

Niall and singer Shawn Mendes were seen backstage, as the 1D singer Instagrammed a picture of the two handsome hunks.

 

Me and the boy ! Top lad . No idea why my sunglasses are on my shirt . @shawnmendes

A photo posted by Niall Horan (@niallhoran) on Nov 21, 2016 at 7:43pm PST

His caption reads, "Me and the boy ! Top lad . No idea why my sunglasses are on my shirt . @shawnmendes".

They even jammed together, much to the delight of their fans. Shawn Instagrammed a video of the musical duo where they are seen singing Mendes' song Mercy.

@niallhoran is a lad

A video posted by Shawn Mendes (@shawnmendes) on Nov 20, 2016 at 10:45pm PST

Breaking the internet and how!

We can't wait for these two to make music together. What about you!?