Cardi B and Bruno Mars backstage at the 60th Annual Grammy Awards in New York City on January 28, 2018.

Cardi B and Bruno Mars backstage at the 60th Annual Grammy Awards in New York City on January 28, 2018.

Cardi B and Bruno Mars backstage at the 60th Annual Grammy Awards in New York City on January 28, 2018.

Cardi B and Bruno Mars backstage at the 60th Annual Grammy Awards in New York City on January 28, 2018