Tinie Tempah signs with The William Morris Agency... Tinie Tempah has been signed by the huge William Morris Agency - which looks after stars like Robert De Niro, Kanye West and Lady GaGa . The young rapper looks set to hit number one this Sunday with his Pass Out track and is clearly hot property.  The Sun reports that William Morris- which manages actors and popstars around the world- have now snapped him up. Check out the best Tinie Tempah music videos and the best UK grime music videos in the Grime & Bassline section of Nation TV which is our dedicated UK music videos section offering the best in Grime, Bassline, R&B and Hip hop music videos.