Written by Melanie Burton, May 6, 2016

This might be the best Carpool Karaoke yet, after James Corden managed to get not only Gwen Stefani, but also George Clooney AND Julia Roberts into his car at once!

Amongst the chatting, the trio break into song, belting out Gwen’s Hollaback Girl, and it’s everything!

George Clooney even tells everyone what he thinks the lyrics of the song mean! LOL!

Carpool Karaoke 

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