"How Old Do I Look" is one of the simplest, yet most fascinating sites to capture the attention of the Twitterverse. The premise? Select a photo, put it into the webpage, and see if it guesses your age correctly. Unfortunately, while the concept is great—it's accuracy leaves much to be desired. While some of your favorite rappers are younger than they look, others didn't fare so well when dealing with Father Time. Want to see how old your favorite rapper actually looks? We're Testing "How Old Do I Look" With Photos of Your Favorite Rappers.