A couple weeks ago Miley Cyrus and Mandy Jiroux where challenged by ACDC (Adam/Chu Dance Crew=Step Up 2: The Streets director Jon M. Chu+Adam Sevani) for a dance off. Check out the video below:And in response to their challenge Miley and Mandy did a music video spoof of Madonna’s ‘4 Minutes‘ song that instantly became a huge hit. Check that one out below.ACDC recently challenged them again to another dance off becoming “The Biggest Youtube Online Dance Off Ever.”In ACDC video, they defintitely brought it and stepped up their game with cameos by big stars like Lindsay Lohan, Adam Sandler, Chris Brown, Diana Ross, America’s Best Dance Crew winners Jabbawokeez, Robert Hoffman (Step Up 2: The Streets), Adam Shankman (Hairspray director/choreographer), Hairspray stars Elijah Kelley, Brittany Snow and Amanda Bynes as well as So You Think You Can Dance contestants (and real-life couple) Lacey Schwimmer and Hok Konishi.

MILEY & MANDY vs. ACDC — THE HISTORY

April 10, 2008Jon M. and Adam Sevani challenge Miley Cyrus and Mandy Jiroux to “The Biggest Online Dance Battle in YouTube history”. The rules are…there are NO rules. Both crews are allowed to do whatever they want, however they want. Jon and Adam name their crew the ACDC (Adam/Chu Dance Crew). They release their first battle video.April 15 2008Miley and Mandy respond with Madonna and JT’s song, “4 Minutes”. In 24 hours their video gets OVER A MILLION hits and becomes an instant YouTube classic. It gets posted on Access Hollywood, Yahoo News, Ellen etc. They even recruit one of Step Up’s own to be in their video (Channing Tatum and Jenna Dewan).April 30, 2008Adam and Chu release a their response to the Miley and Mandy video.Now iT’S MILEY AND MANDY’S TURN!!!!!