Photos: Miley Cyrus, Madonna grind on MTV’s ‘Unplugged’

Madonna and Miley Cyrus perform onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. Miley Cyrus: MTV Unplugged premiered on January 29, 2014 on MTV. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00001_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00052_Miley_Cyru )

Recording artists Madonna (L) and Miley Cyrus perform onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00018_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00075_Miley_Cyru )

Recording artists Madonna (L) and Miley Cyrus perform onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00015_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00079_Miley_Cyru )

Recording artists Madonna (L) and Miley Cyrus perform onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00016_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00031_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00057_Miley_Cyru )

Recording artists Madonna (L) and Miley Cyrus perform onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00017_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00078_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00036_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00053_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00045_Miley_Cyru )

Recording artist Miley Cyrus (R) performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00081_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00062_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00069_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00063_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00073_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00077_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00072_Miley_Cyru )

Recording artist Miley Cyrus performs onstage during Miley Cyrus: MTV Unplugged at Sunset Gower Studios on January 28, 2014 in Hollywood, California. (Photo by Christopher Polk/Getty Images for MTV) ( 464888843AP00080_Miley_Cyru )