WATCH: Fetty Wap perform "679" on NBC's "The Tonight Show Starring Jimmy Fallon."
To promote his upcoming self-titled debut album, Fetty Wap made his by Jimmy Fallon on Wednesday night to serve as the evening’s musical guest.
Backed by The Roots, Fetty took the stage to perform his one of his chart-topping singles in “679” with the help from fellow Remy Boy Monty.