Cody Simpson: Back on 'Believe' Tour with Justin Bieber

Justin Bieber and Cody Simpson hit the stage for the Believe tour at the Allstate Arena on Tuesday night (October 23) in Rosemont, Ill.

“Chicago shows tonight and tomorrow with @justinbieber. About to shut it down aussie style!” Cody, 15, tweeted before he hit the stage alongside Justin and Carly Rae Jepsen.

Just before the show on Wednesday (October 24), Justin, 18, hung out with Oprah Winfrey for a taping of her Next Chapter show.

“Me and @Oprah just swaggin it out http://instagr.am/p/RLLgkbgvle/” Justin tweeted with a pic of the two.

10+ pics inside of Justin and Cody…