Gwen Stefani Returns to 'The Voice' and Declares the Season 20 Finale Is 'All About Blake Shelton'

Blake Shelton Welcomes Adam Levine Back to 'The Voice' For Season 20 Finale Performance

See Nick Jonas & Kelly Clarkson Vow To Beat Blake Shelton During The Voice Finale

Blake Shelton is leaving the wedding planning to Gwen Stefani saying his plans would be 'classless'