By ETonline Staff
9:31 AM PDT, April 19, 2015
1 / 11
Keith Urban
Getty Images
Nicole Kidman's country singer husband rocked out at the ACM Presents: Superstar Duets concert in Arlington, Texas on April 18. The Superstar Duets concert will air May 15 at 9 p.m. ET on CBS.
Luke Bryan
Getty Images
Luke Bryan performs at ACM Presents: Superstar Duets on April 17.
Darius Rucker
Getty Images
The country singer took the stage for the 2015 ACM event ACM Presents: Superstar Duets on April 17.
Sam Hunt & Dwight Yoakam
Getty Images
Sam Hunt and Dwight Yoakam teamed up for ACM Presents: Superstar Duets on April 17.
Lady Antebellum
Twitter
The country group drew some silly faces on their "Twitter Mirror" selfie after their ACM rehearsal.
Martina McBride
Twitter
McBride tried out the ETonline "Twitter Mirror" at rehearsals for the 2015 ACM Awards.
Keith Urban & Brett Eldredge
Getty Images
Singers Brett Eldredge and Keith Urban smiled at the Red Carpet Radio event prior to the 2015 ACM Awards on April 17.
Kellie Pickler
Getty Images
Pickler spoke at the Red Carpet Radio event prior to the 2015 ACM Awards on April 17.
Hunter Hayes
AP Images
The country star snapped a selfie with Jan Pruitt, President and CEO of the North Texas Food Bank, and Dallas Cowboys player Jason Witten at an event for Child Hunger Ends Here on April 16.
Dylan Scott
ETONLINE
Singer-songwriter Dylan Scott surprised fans at the Wendy's booth at the ACM Party for a Cause Festival!
Reba and Maddie & Tae
Getty Images
Girl Power! Ahead of the ACMs, Reba teamed up with newcomers Maddie & Tae at the General Mills, Big Machine Label Group and Feeding America Outnumber Hunger event in Burbank. The concert special airs also featured Rim McGraw, Rascal Flatts, Florida Georgia Line and Eli Young Band. Visit OutnumberHunger.com for local listings!