Beats By Dr. Dre CES After-Party With ZEDD & Rick Ross at Marquee Nightclub At The Cosmopolitan Of Las Vegas Published January 11, 2013 at 3000 × 2000 in Beats by Dr. Dre Celebrates at Marquee Nightclub at The Cosmopolitan in Las Vegas LAS VEGAS, NV – JANUARY 10: Rapper Rick Ross performs at the Beats by Dr. Dre CES after-party at the Marquee Nightclub at The Cosmopolitan of Las Vegas on January 10, 2013 in Las Vegas, Nevada. (Photo by Isaac Brekken/Getty Images for Beats by Dre)