Star-Studded 'Carpool Karaoke': Gwen Stefani Sings With James Corden And 2 Surprise Guests

It was a star-studded "Carpool Karaoke" on the "Late Late Show" on Wednesday. James Corden was first seen with Gwen Stefani sitting in the passenger seat and was later joined by George Clooney and Julia Roberts in the back -- making it one hell of a karaoke session.

James Corden managed to start a conversation with Gwen Stefani that led them to sing "Don't Speak," according to Rolling Stone. The talk continued and later they started crooning "Sweet Escape," "Used to Love You" and "Rich Girl."

James Corden and Gwen Stefani also discussed "The Voice's" judge loved for emojis. The 37-yearold host then asked the girlfriend of Blake Shelton to act out some of the emojis like clapping hands, the lady in a red dress, angry face and side kiss.

 Looking for a sweet escape? How about #CarpoolKaraoke with @gwenstefani on Wednesday night's #LateLateShow?

A photo posted by The Late Late Show (@latelateshow) on May 2, 2016 at 10:57am PDT

James Corden also demanded Gwen Stefani to mime the eggplant emoji, which has been associated to a man's genital that the comedian needed to explain to her. Afterward, the writer-producer called up his other two pals to take the benefit of the "HOV+4 lane" that turned out to be the "Money Monster" stars, George Clooney and Julia Roberts.

E! Online reported James Corden, Gwen Stefani, George Clooney and Julia Roberts began to chant "Hollaback Girl" and "We are the Champions." The fun started as the four stars looked like they really felt the tunes they were singing.

Squad. Watch the latest, craziest #CarpoolKaraoke at link in our bio! A photo posted by The Late Late Show (@latelateshow) on May 5, 2016 at 11:57am PDT

Julia Roberts seemed really prepared for "Carpool Karaoker" as she was wearing an inside shirt with Gwen Stefani's face. However, the "Mother's Day" actress was wearing a black pants George Clooney, James Corden and the former No Doubt vocalist's coordinated denims.

Meanwhile, the latest "Carpool Karaoke" episode with Gwen Stefani, George Clooney and Julia Roberts now have almost 5 million views, as of this writing, and the numbers still rising. James Corden's "Late Late Show" YouTube channel marked its greatest milestone in April when it reached more than 1 billion views.

Adele "Carpool Karaoke" stint hit 98 million views while Justin Bieber's "Carpool Karaoke" episode gathered 73 million. Hence, James Corden's "Carpool Karaoke" is one of the two top late-night videos on YouTube, as per the analysis of Tubular Labs, via Deadline.

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