Kesha and friends at the 2018 Grammys

Kesha performs at the 60th Grammy Awards at Madison Square Garden in New York on Sunday.

(Matt Sayles / Invision / Associated Press)

Jan. 28, 2018 7:44 PM PT

Kesha, center, performs with, from left, Bebe Rexha, Cyndi Lauper, Camila Cabello, Andra Day and chorus members at the 2018 Grammys.

(Kevin Winter / Getty Images for NARAS )

Kesha, left, performs “Praying” as Camila Cabello, center, and Andra Day stand by.

(Matt Sayles / Invision / Associated Press)

From left: Cyndi Lauper, Julia Michaels, Andra Day, Kesha and Bebe Rexha backstage at the 2018 Grammy Awards.

(Christopher Polk / Getty Images for NARAS)

Kesha, center, flanked by her collaborators onstage at the 2018 Grammys.

(Kevin Winter / Getty Images for NARAS)

Kesha is hugged by Bebe Rexha, Cindy Lauper, Camila Cabello and Andra Day.

(Timothy A. Clary / AFP / Getty Images)