Blake Shelton Net Worth vs Kelly Clarkson, Other 'The Voice' Coaches: Is He The Richest? [2021 Update] The Voice 2021. Since the American version of the famous "The Voice" aired in 2011, the reality TV competition show has become a significant hit among viewers worldwide. In the past couple of years, "The Voice" had several coaches, and this list will take a look at how rich they are. Blake Shelton has been a coach on "The Voice" since its inception in 2011, being the most successful coach and bringing at least one artist from his team to the finale almost every season. He also has created amazing songs which charted to top singles and is a nine-time Grammy Award nominee.