Miley Cyrus, Bieber Release 'Twerk' Song as Twerking Obsession Grows

Miley Cyrus is basically the poster child for twerking, and despite the dance being around for years, it is now officially mainstream. From newscasters attempting to do it, to the word being added to the Oxford dictionary, Kristina Behr (@KristinaBehr) has a look at America's obsession with twerking.