Two of the internet’s most talented families team up to cover ‘Hollaback Girl’

The Williams Fam and Cimorelli are two of the most musically talented families on the internet, and now they’ve joined forces to cover Gwen Stafani‘s 2004 hit ‘Hollaback Girl’. Watch them take on the classic track with nothing but a guitar, a bench and their voices here.

The Bay Area-based Williams Fam, consisting of five brothers and one sister, have become famous for their viral dance videos. Cimorelli is made up of six sisters from Sacramento who have had millions of hits on their YouTube covers. Watch them singing ‘Pray’ by Kesha above.