MARK CUBAN 2017 BILLBOARD MUSIC AWARDS - Arrivals - The "2017 Billboard Music Awards" broadcasts LIVE on BOTH COASTS from T-Mobile Arena in Las Vegas, SUNDAY, MAY 21, at 8:00 p.m. EDT / 5:00 p.m. PDT on ABC. (Photo by John Shearer/Getty Images via ABC) MARK CUBAN