Rob Kardashian practices his parental skills and tells King Cairo to stop cussing! What word can he not stop saying?!
LAS VEGAS - JUNE 3: Donald Trump arrives at the 2012 Miss USA pageant the Planet Hollywood Resort & Casino on June 3, 2012 in Las Vegas, Nevada. (Photo by Isaac Brekken/Getty Images) *** Local Caption ***Rob Kardashian (Photo by Isaac Brekken/Getty Images