Carrie Underwood and Sam Hunt to perform on Grammy show

Carrie Underwood and Sam Hunt are set to perform on next month’s Grammy Awards. It’s not known yet if the two will sing together — Sam lent his vocals to Carrie’s current hit, “Heartbeat.” Other performers include Justin Bieber and Pitbull. Carrie is nominated for Best Country Solo Performance for “Little Toy Guns,” while Sam competes for Best Country Album for Montevallo, and the all-genre Best New Artist award. Previously announced performers include Little Big Town, Adele, Kendrick Lamar and the Weeknd. The 2016 Grammy Awards will air live on CBS on February 15th beginning at 8 p.m. ET.