LOS ANGELES (EN): Miley Cyrus is set to perform with Madonna.  The ‘Wrecking Ball’ hitmaker has roped in the pop veteran to duet with her on her upcoming MTV ‘Unplugged’ special.  The unlikely pair were rehearsing on the Hollywood soundstage Monday with the collaboration due to air on Wednesday night (29.01.14).  MTV commented: ‘’The performance will showcase a more intimate side of Cyrus and feature surprise guests for an unexpected re-invention of the songs that have defined her career, including several from her #1 critically acclaimed album, ‘Bangerz’.