Machine Gun Kelly recently teamed up with Fifth Harmony’s Camila Cabello for “Bad Things,” which will serve as the lead single to MGK’s forthcoming third album. As the song sits in the top 50 on the Billboard Hot 100 – his highest-charting song yet – the duo appeared on The Tonight Show starring Jimmy Fallon last night to perform it live! “I’ma cherish tonight. moments mean more then money, and playing on a dream stage like Jimmy Fallon w/ @camila_cabello and my band (my boys since highschool !!!) was a MOMENT,” MGK said on Instagram. “hope the fans dug it. music was healing tonight.” Watch the live performance of “Bad Things” below!