Tesla and SpaceX CEO Elon Musk recently shared photoshopped images of his face on pictures of Dwayne 'The Rock' Johnson in a tweet which has gone viral. Musk captioned his post "Yeah, I lift a little..." to which Johnson replied, "He's. A. Beast. Handsome...too!" Musk responded, "Oh stop, you'll make me blush", after which Johnson promised the billionaire a treat.