Ain't no party like a G-Unit party! Last night the group tore the stage down onThe Tonight Show Starring Jimmy Fallon while performing their new song "I'm Grown." 50 Cent, Lloyd Banks, Tony Yayo and Kidd Kidd all brought the heat on Wednesday to The Tonight Show. "I'm Grown" is featured on G-Unit's latest EP The Beast Is G-Unit. Check out the turnt up performance above.