ACM Awards: Carrie Underwood and Keith Urban Perform 'The Fighter'

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The famous country stars performed their duet onstage at the 52nd ACMs Sunday night.

After performing his hit single, "Blue Ain't Your Color," Keith Urban was joined onstage by fellow country music star Carrie Underwood to perform their duet "The Fighter."

Underwood comes into this year's ACMs with 11 wins and Urban with 10 awards presented by the Academy of County Music. 

Both stars are also nominated for the prestigious entertainer of the year at this year's ACMs.

Luke Bryan and Dierks Bentley returned to host the show for a second year. The ACMs are airing live from T-Mobile Arena in Las Vegas on Sunday (8 p.m. ET) on CBS.

A list of nominees, voted on by the Academy of Country Music's professional membership, follows. For a list of winners, click here.

The ACM Awards are produced by Dick Clark Productions. DCP is part of Eldridge Industries, the U.S. holding company whose assets also include The Hollywood Reporter-Billboard Media Group.