American Idol champ Carrie Underwood will join Brad Paisley in a live special tribute to country music legend Eddy Arnold during the 43rd Annual Academy of Country Music Awards.

The ceremony will be broadcast live from MGM Grand in Las Vegas TOMORROW, May 18 @ 8PMET/PT on CBS. Reba McEntire will host the event for the tenth time.

Below are two cute outtakes of Carrie and Brad. Watch them!

Carrie Underwood and Brad Paisley announce the nominations for the Academy of Country Music Awards on Tuesday in Nashville, Tennessee.

The Country superstars announced the nominations at the Country Music Hall of Fame. Kenny Chesney led the pack with 11 nominations, including entertainer of the year and top male vocalist. Rodney Atkins followed with six nominations, including top male vocalist. Brad Paisley, Big & Rich and Sugarland all picked up four apiece.

The CMAs will be held in Las Vegas on May 18, and aired live @ 8PM ET/PT on CBS. Performers at the big event include Carrie, Faith Hill, Alan Jackson, Sugarland, Taylor Swift and Kellie Pickler.

Watch video footage of Carrie and Brad announcing the nominations here.

10+ pictures inside of Carrie Underwood announcing the CMA nominations… More Here! »