Miley Cyrus Posts New YouTube Video

Miley Cyrus and her BFF Mandy have posted yet another YouTube video showing off their dancing abilities.  This latest installment feature M&M and a huge dance crew at Boulevard 3 in Hollywood. 

And the girls enlisted the help of a few celebs for the video, like Jenna Dewan, Emmanuel Chriqui, Chris Kattan, Joey Fatone, David Blaine and Ryan Seacrest.

 With Miley's busy schedule, we don't know when she finds the time to shoot these videos, but they're really good!