Jason Derulo is a singer, songwriter, actor and author and is one of the most talented people I've ever had on my show. He has sold more than 250 million singles worldwide, and joins Taylor Swift, Elton John, Janet Jackson, Michael Jackson, Britney Spears, Maroon Five, and Christina Aguilera as the only artists in history to have a number one single on US Pop Radio in three different decades. Jason is also one of the top 20 most followed people in the world on social media – he ha...