Every Friday for the past five years the Breakfast Club kicks off the weekend singing Katy Perry's "Last Friday Night" and Rebecca Black's "Friday".

Last friday Rebecca joined them in the studio to sing along with them. Even though she couldn't keep up Charlamagne and Dj Envy check out the hilarious Friday performance with the Breakfast Club recap below :

Listen to the Breakfast Club Monday - Friday from 6a - 10a on Hot 991.