Camila Cabello singing Stressed Out by Twenty One Pilots. Camila Cabello of Fifth Harmony singing Stressed Out by Twenty One Pilots (Cover) Subscribe to our channel: Follow us on . If youre new, Subscribe! ▻ Shawn Mendes & Camila Cabello break out the acoustic guitar and drums to perform together in a duet where . Shawn Mendes & Camila Cabello break out the acoustic guitar and drums to perform together in a duet where they sing random cover songs / topics. Listen as .