Last year, the Holderness family parodied Sir Mix-a-Lot's "Baby Got Back" in an epic back-to-school video. While parents Penn and Kim did most of the rapping the first time around, in their latest vid, their kids are seriously giving them a run for their money.

The Holderness family performing "Baby Got Class" in 2014

This year, kids Lola and Penn Charles joined their mom and dad in "Parents vs Kids: Back to School Rap Battle." To hear their awesome kid rap lyrics, check out the video below.