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Justin Timberlake Radio

Apple's new iPhone is getting a star-studded introduction to the world.  At the much-anticipated conference Tuesday, Apple CEO Tim Cook unveiled the iPhones 6's new commercial, which features the voices of Justin Timberlake and Jimmy Fallon.  

[RELATED: Apple Introduces iPhone 6 and Watch: Celebrities React To Big Gadget News!]

Justin and Jimmy's faces don't appear on screen in the ad - just their hands, each holding onto the latest versions of the devices.  The comedic pair sing their a cappella version of the dramatic "Space Odyssey" theme as they scroll through all the new features side-by-side against a white background.  

Check it out below:

Photo: Getty Images