Watch Camila Cabello Slay 'Bad Things' on 'Jimmy Fallon'

Camila Cabello performed her hit song “Bad Things” with Machine Gun Kelly in New York City on Wednesday night (September 23) during The Tonight Show with Jimmy Fallon.

“thank u so much @fallontonight for having us,” the 19-year-old singer said. “i freaked out when I found out we were performing this here, thank u @jimmyfallon for always being so kind and welcoming ???????? @247productions for being such an incredible creative team and working so hard on all da details to bring this to life!!!! thank u @machinegunkelly for being seriously the sweetest and the coolest person it is so amazing to perform w you and your super dope band. love u guys. ?? now gonna eat hella cuban food and catch up on all the sleep I haven’t experienced this week.”

This past Sunday, Camila and the rest of Fifth Harmony – Ally Brooke, Dinah Hansen, Normani Kordei and Lauren Jauregui – performed “That’s My Girl” at the 2016 American Music Awards.

Watch the killa performance below!

Click inside to watch the video of Camila and Machine Gun Kelly playing a fun game of “Would You Rather?”!