The first-time coach and his talented teen pop singer took the stage during Tuesday's finale results show.
The frenemies were reunited on Tuesday's season 23 finale.
The winningest coach in the history of the NBC singing competition is stepping away after 12 years.
Shelton has been a coach on 'The Voice' since the first season in 2011.
'The Voice's two-part finale concludes on Tuesday at 9 p.m. ET/PT on NBC.
The couple first met when Gwen joined the show in season 7.
The longtime coach is saying goodbye to the singing competition after 23 seasons.
On 'The Voice,' the top five finalists performed one last time to prove why they should be season 23's champion.
Niall Horan chats with ET's Cassie DiLaura at part one of 'The Voice's live season 23 finale, which aired Monday on NBC.
Will your favorite singer be the season 23 champion?
'The Voice' judge opened up to ET on Monday ahead of the first night of the season 23 finale.
Blake Shelton chats with ET's Cassie DiLaura ahead of his final season as a coach on 'The Voice.'
Plenty of Shelton's former fellow coaches will be returning to send him off next Tuesday!
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