Novak Djokovic, right, and Serena Williams dance together to "Night Fever," the Bee Gees' disco hit from the 1977 movie "Saturday Night Fever" starring John Travolta.
Novak Djokovic, right, and Serena Williams dance together to "Night Fever," the Bee Gees' disco hit from the 1977 movie "Saturday Night Fever" starring John Travolta. Wimbeldon, via Facebook
Novak Djokovic, right, and Serena Williams dance together to "Night Fever," the Bee Gees' disco hit from the 1977 movie "Saturday Night Fever" starring John Travolta. Wimbeldon, via Facebook

Must watch: Novak Djokovic and Serena Williams can dance like champs, too

July 13, 2015 08:34 AM