10 Celebs Who Should Be a Coach On 'The Voice' (PHOTOS)

Zoe Jewell

The Voice has been on-air for a whopping 16 seasons — in the U.S., at least — and has featured a number of all-star coaches.

From mainstays like Adam Levine and Blake Shelton to the many other A-list musicians who have stopped by like John Legend, Kelly Clarkson, Jennifer Hudson, and Christina Aguilera, the NBC show has had no shortage of star power. Despite all of the great musical talent the show has featured over the years, there are a few pop stars and singer-songwriters who have yet to get the nod from NBC.

Check out the gallery above to see who we think the show should consider hiring for the future!

The Voice, Mondays, 8/7c, Tuesdays, 9/8c, NBC