let's talk about kerry underwood. >> it's right before nashville cma fest which haairs this weekend.u have different emotional strains that people can can pull on. anything having to do with kids i will get choked up about. i have just love listening to this. >> no crying ugly here after seeing her perform her song mom's a champion. >> i would love that. >> show us what you got. ♪ >> i can't wait for you guys to ÷ you guys are going to be so amazing. >> the kiskids perform at cma f. artists donating their performances. kari was there sharing the stage with a legend. >> what if joan jet came and she agreed and i'm so excited for the fans and for her. ♪ that's why i hate myself for loving you ♪ >> more than 50,000 fans packed the stadium every night during the festival which was turned into a three-hour abc special. >> i'm always huge keith irvin fan. i'll never get over him. >> i think kerri's tonight. so i'll be side staged. ♪ i want to take my horse to the hotel ♪ >> and joins billy ray cyrus for a special remix version of the song of the summer. and miranda hit the stage with a new