Smith, a nominee in the Artist to Watch category, delivered a heart-wrenching performance of his hit, Stay With Me.
Other artists who performed were Taylor Swift, Nicki Minaj, Jesse J and Rita Ora.
Check out these must-see performances:
1) Sam Smith
2) Taylor Swift
3) Jesse J, Nicki Minaj and Ariana Grande
4) Beyoncé
You can watch the MTV VMAs tonight at 21:00 on MTV (Channel 130 on DStv).
4 must-see performances from the 2014 MTV Video Music Awards
Los Angeles – Not only was it a night filled with glitz and glam, it was also a night filled with firsts as Sam Smith made his debut at the MTV Video Music Awards on Sunday night.