Market-research firm The NPD Group conducted a recent study about the marketability of our favorite celebs in entertainment today, and you may be pretty surprised by the results! He may not be topping charts right now, but singer-songwriter Ne-Yo took the top spot based on brand endorsements, followed by Usher, Wiz Khalifa, The Weeknd, Kevin Hart and Dr. Dre. As for the ladies, Rihanna was named the most marketable, followed by Beyoncé, Jennifer Lopez and Khloé Kardashian. Not only was Rih-Rih the top female – she was first overall!