Marx, 50, and Rhodes, 57, broke up in July 2013, the singer’s rep confirmed to People magazine.
The announcement of the divorce, which is in progress, was made initially by Marx on Friday’s edition of the talk show “Katie.”
Cynthia Rhodes and Richard Marx met in 1983, and they were married in 1989. The former couple has three sons together: Jesse, 20, Lucas, 21, and Brandon, 23.
Richard Marx is the singer of famous romantic 80s/90s’ songs such as “Right Here Waiting”, “Hazard” and “Hold On To The Nights.”