"This was mutual. They needed some time apart," the insider said.
The recording artists reportedly met while touring with country star Brad Paisley.
Hough, 21, is also a professional dancer who appeared on several seasons of "Dancing with the Stars."
Wicks, 30, is a correspondent for TV's "Entertainment Tonight."
Florida bear attack: Black bear mauls woman's face
Ron Burgundy interviews Peyton Manning on SportsCenter