is celebrating 500 episodes on Tuesday, and Blake Shelton has been there for every single one!The country superstar is the only coach who's been around for all 21 seasons, having spent 10 years in his spinning red chair.
Ahead of Tuesday's Knockout performances, Blake and his fellow season 21 coaches — Kelly Clarkson, John Legend and Ariana Grande — marked the occasion with a massive -themed cake and a celebratory group photo.«Five hundred episodes old!» Blake marveled.«You sure are!» Ariana teased.ET even has a flashback to Blake and host Carson Daly ahead of the series' premiere in 2011, where they joked about the star power of Blake's OG fellow coaches, Christina Aguilera, CeeLo Green and Adam Levine.
Read more on etonline.com