Overview: Jason Derulo, the multi-talented singer, songwriter and “King of TikTok,” discusses his new single and how he became one of the most beloved stars of the video sharing social networking service. Plus, other TikTok superstars who have cracked the code to social superstardom, including Zach King who has almost 50 million followers and takes us behind the scenes of how he masters his craft, and Priscilla Block who went from TikTok to the top of the country music charts.