Shawn Mendes and Camila Cabello Perform 'I Know What You Did Last Summer' for 'Late Late Show'

Rachel Murray/Getty Images for Republic Records
Shawn Mendes and Camila Cabello attend Republic Records 2015 VMA after party at Ysabel on August 30, 2015 in West Hollywood, California. 

Shawn Mendes transition from Vine sensation to pop star and late-night TV performer is complete. 

Mendes and Fifth Harmony’s Camila Cabello were the musical guests overnight on James Corden’s Late Late Show where the pair teamed up for a performance of their new collab "I Know What You Did Last Summer."

The duet, which Mendes tackled with an acoustic guitar in hand, dropped earlier this month and will feature on his Handwritten Revisited reissue.

Watch the performance below.