All of the 14 celebrities who have been coaches on 'The Voice'

Adam Levine was one of the four original coaches on "The Voice."

He was the winning coach three times — on the first season with Javier Colon, the fifth season with Tessanne Chin, and the ninth season with Jordan Smith.

The Maroon 5 singer left the show after season 16.

Country musician Blake Shelton is the longest-running coach on "The Voice," and the only original judge who is still on the show today.

Shelton also has the most wins of any coach on "The Voice," coming out on top with an impressive seven wins in 19 seasons.

The country singer even met his fiancée, Gwen Stefani, when they were both coaching on the show.

One of the original four, Christina Aguilera coached the first three seasons of "The Voice," and she returned for seasons five, eight, and 10.

Her only win came from her final appearance on season 10, coaching actress and singer Alisan Porter to victory.

Aguilera referred to her time on the show as a "churning hamster wheel" and an "energy sucker" in a 2018 interview with Billboard.

CeeLo Green was the fourth original coach on "The Voice." He appeared as a full-time coach on the first three seasons and returned for season five in 2013.

Green never won a season, but he mentored season-two runner-up Juliet Simms.

He's also returned as a part-time advisor on three seasons over the years.

Colombian singer and dancer Shakira coached on seasons four and six of "The Voice."

She didn't win either season, and she doesn't plan on returning to the show.

"I wouldn't [go back], because it's so hard to be away from my family ..." she said in a 2017 interview with Entertainment Tonight. "It was a great experience, and of course I miss the guys, they were a lot of fun a lot to talk to, but I wouldn't go back."

Seasons four and six saw another mononymous musician in the coaching chair.

Usher coached season-four runner-up Michelle Chamuel, and on season six, his team won with Josh Kaufman.

Gwen Stefani started coaching on season seven of "The Voice," and she returned for seasons nine, 12, 17, and 19.

Her only win came on season 19 with contestant Carter Rubin.

Much of her time as a coach was marked by fun and playful interactions with her now-fiancé, Shelton.

Pharrell Williams coached on seasons seven, eight, nine, and 10.

On season eight, he mentored 16-year-old Sawyer Fredericks, the youngest male winner in the history of the show.

Legendary vocalist and pianist Alicia Keys coached on seasons 11, 12, and 14 of "The Voice."

She is one of the most successful coaches on the show, producing a finalist every season she appeared on. And on season 12, she coached Chris Blue to victory.

Singer-songwriter Miley Cyrus coached on seasons 11 and 13 of "The Voice."

None of Cyrus' contestants made it to the finals.

In March 2019, Janice Freeman — a Team Miley contestant on season 13 — died, and Cyrus paid a touching tribute to her at the memorial service.

Award-winning actress and singer Jennifer Hudson was a full-time coach on seasons 13 and 15 of "The Voice."

She brought 14-year-old Kennedy Holmes to the finals on season 15.

Hudson also served as a coach on seasons six, seven, and eight of "The Voice UK."

"American Idol"-winner Kelly Clarkson joined "The Voice" as a full-time coach on season 14, and she's been on the show ever since.

On her six completed seasons on the show, she's won three — including season 14 when she mentored the show's youngest female winner, 15-year-old Brynn Cartelli, to victory.

Clarkson also coached season 15-winner Chevel Shepherd and season-17 winner Jake Hoot.

John Legend joined to show on season 16, and he's still coaching on the current season 20.

He won his very first season, coaching Maelyn Jarmon to victory.

Nick Jonas started coaching on "The Voice" on season 18, and he took a break before returning on the current season.

He was unsuccessful on season 18, but there's still a chance he'll bring a contestant to the finals on season 20.

Ariana Grande recently announced on Twitter that she will be taking over Jonas' spot on season 21.