Written by Sara Bordon, May 6, 2016

When James Corden says he has a ‘surprise guest’ you better stop and watch.

As if having Gwen Stefani join you for Carpool Karaoke wasn’t good enough, James picks up megastars George Clooney and Julia Roberts for an epic session of singing.

And yes…George can certainly belt out a tune. Watch it now!

RELATED: Adele’s Carpool Karaoke is here…and it’s epic!

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