Brooks & Dunn and Reba McEntire are together one more time for a special performance on CBS' 'The Late Show With David Letterman' on Friday, May 21. The three will perform their classic, 'Cowgirls Don't Cry,' on the show, which will also feature actor Ashton Kutcher.

The performance will air just two days before the premiere of the all-star tribute special, 'ACM Presents: Brooks & Dunn -- The Last Rodeo,' taking place Sunday, May 23 at 8:00 PM ET, also on CBS. The special concert, which was taped the day following this year's ACM Awards, will include numerous performances from such artists as Reba, Kenny Chesney, Tim McGraw, Faith Hill, Brad Paisley, George Strait, Taylor Swift, Carrie Underwood and Keith Urban.

Brooks & Dunn are currently crisscrossing the country on their Last Rodeo Tour, which heads to St. Paul, Minn., on Friday, May 14. The duo are also taking part in the benefit, Nashville Rising; A Benefit Concert for Flood Recovery, on Tuesday, June 22.

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