Having launched his sell-out summer tour, Luke Bryan joins Jason Derulo, one of pop music’s biggest stars, onstage for the new episode of CMT Crossroads premiering May 21. Last summer, Bryan and Derulo previously performed a virtual duet of the pop star’s hit song, “Want to Want Me” through use of a karaoke app, but… <a href="http://www.cmt.com/news/1765770/cmt-crossroads-jason-derulo-and-luke-bryan-airs-may-21/" title="Read CMT Crossroads: Jason Derulo and Luke Bryan Airs May 21″>Read more »