Who is the King of R&B? Today @9am its Part 1 of the Star Wars Battle for R&B supremacy Trey Songz vs. R. Kelly. To vote text “King” to 23088. Tune in Thursday @9am for Part 2 as Usher & Chris Brown duke it out. The winner of each round will be in the final battle Friday @9am to be crowned the King of R&B.