George Clooney & Julia Roberts Crash Gwen Stefania's Carpool Karaoke With James Corden

Watch Gwen Stefani impersonate emojis and more in this star-studded episode of Carpool Karaoke.

Gwen Stefani and James Corden started out with a typical carpool karaoke ride: They sang "Don't Speak" and "Sweet Escape." Gwen casually dropped that Blake Shelton is more or less her secret to agelessness. Or, as she put it, "What happened was my life blew up. After that I kind of started falling in love and then I wrote a whole record about that. So that's what the face lift is, I think! I'm writing music that's about happiness and truth." 

"So that's what I should tell my wife," James responds. "If you meet a country singer who happens to be an absolute hunk, you go back in time." And Gwen just nods. Yup.

After singing some of her classic jams, the two then pick up a pair of special guests, George Clooney and Julia Roberts. Surprisingly, once the quartet is complete, they don’t even miss a beat when belting out the rest of Gwen’s familiar tunes.