See Kim Coaching on good Morning America:

Good Morning America’s Rock Star Challenge had the hosts of GMA getting ready for their Broadway Debut on the stage of Rock of Ages in front of a Live Broadway Audience. It was QUITE a Challenge. Watch Kim coach Good Morning America anchor Bianna Golodryga prepare for her with some vocal exercises, coaching, words of encouragement and good old fashioned practice. Check out 1:22 and 4:05  for specific segments or watch the whole clip!