[Intro: Ron Funches] Hair up [Hook: Justin Timberlake & Ron Funches] Hair in the air Put your hair Put your hair in the air Hair in the air Put your hair Put your hair in the air [Verse 1: Gwen Stefani & Justin Timberlake] I've got a fever coming on And now it's beating on my bones I feel like diamonds or some gold So DJ play it That's my song Go, go, go, go, go Put your hair in the air Go, go, go, go, go, go Hair up [Hook: Ron Funches & Gwen Stefani] Come on baby Let's go crazy We ain't never gonna stop Hair up Come on baby Let's go crazy We ain't never gonna stop Hair up Put your hair in the air (hair up) We don't care (hair up) Put your hair in the air (hair up) We don't care (hair up) [Verse 1: Gwen Stenfani, Justin Timberlake, & Ron Funches] I've got a fever coming on And now it's beating on my bones I feel like diamonds or some gold So DJ play it That's my song Go, go, go, go, go Put your hair in the air Go, go, go, go, go, go Hair up [Hook: Ron Funches & Gwen Stefani] Come on baby Let's go crazy We ain't never gonna stop Hair up Come on baby Let's go crazy We ain't never gonna stop Hair up Put your hair in the air (hair up) We don't care (hair up) Put your hair in the air (hair up) We don't care (hair up) [Hook: Justin Timberlake & Ron Funches] Hair in the air Put your hair Put your hair in the air Hair in the air Put your hair Put your hair in the air