The 18-year-old Fifth Harmony beauty and 17-year-old “Stitches” singer performed their hit duet “I Know What You Did Last Summer” with a little help from The Roots.
“@jimmyfallon JEEEEEEMY I LOVE YOU SO MUCH YOURE SO AMAZING. THANK YOU SO MUCH FOR HAVING US. ILL LET YOU KNOW WHEN I STOP FREAKING OUT,” Camila tweeted.
Shawn wrote, “Thank you @jimmyfallon @theroots #IKWYDLSonFallon!!!”
Watch Shawn and Camila‘s amazing performance below!
Shawn Mendes & Camila Cabello on Fallon Tonight 1/415