got to share this with everybody, let's call it the 3ms, Miley, Madonna, mtv, they were together on stage electrifying on an mtv special last night mashing up their hit songs and shocking audiences in... See More
got to share this with everybody, let's call it the 3ms, Miley, Madonna, mtv, they were together on stage electrifying on an mtv special last night mashing up their hit songs and shocking audiences in only the way they can. ABC's Cecilia Vega has more. ♪ ♪ oh by the way ♪ Reporter: It was a mile Yi twerk-off. Plenty of bumping and grinding. Bedazzled cowboy hats, denim bikini, a spanking for good measure. What else would you expect? Miley Cyrus unplugged, not uncensored with the queen of shock value, Madonna, as her special guest. ♪ Baby ♪ Reporter: After all, before there were tongues and foam fingers -- ♪ yes you are. Reporter: -- There was this and who could forget this. ♪ for the record Miley wasn't even born yet for that one. I grew up listening to Madonna and a lot of what she represented for me is what I tried to represent to girls now is not being afraid of sexuality. Reporter: Miley said she didn't think Madonna would agree to join her unplugged hoedown, a nod to her Nashville roots, dad Billy ray right there cheering her on. I'm glad I can be on stage with someone that isn't afraid of me or what I'm going to do. She's so about making a statement. Reporter: And making a statement is exactly what Miley did. But what was she trying to say with that awkward ride on a fake horse, that person in played ♪ I'm high above the ground baby ♪ A little while ago I got on my wrecking ball and rode it naked. ♪ I came in like a wrecking ball ♪ Reporter: Yep, that happened. Proving that antics aside, the girl really can sing. For "Good morning America," Cecilia Vega, ABC news, los Angeles.
This transcript has been automatically generated and may not be 100% accurate.