When does Duets return?

Duets is a singing competition reality television show that premiered on May 24, 2012 on ABC. The show starred Kelly Clarkson, John Legend, Robin Thicke, and Jennifer Nettles as mentors who search for singers to duet with them as they perform in front of a live studio audience. The winning singer wins a recording contract with Hollywood Records.
Clarkson, Thicke, Legend, and Nettles travel across America to find two singers each who serve as their duet partners. After six weeks, the show goes live and the audience begins to vote on the outcome of each episode. At the end of the competition, the winning singer wins a recording contract with Hollywood Records.