George Clooney & Julia Roberts Crashed Carpool Karaoke With Gwen Stefani

#1 He has done it with Justin Bieber, Mariah Carey, Adele, Elton John, J Lo and even Stevie Wonder.

#2

Thisvideo started with James and No Doubt lead singer Gwen Steffani, before movie stars George Clooney and Julia Roberts joined the party as surprise guests.

#3 That is some pretty cool back seat passengers.

#4 They busted out the ‘No Doubt’ classic ‘Don’t Speak’, before dropping the banger ‘Hollaback Girl’.

#5 Bangers!