Janelle Monae Shows Off Long Locks For Her for New Single ‘Dance Apocalyptic’. Who knew that underneath all of those creative updo’s Janell had some amazing hair. She finally showed off her long length in her new video for song ‘Dance Apocalyptic’. In the video Janelle is spotted dancing with her straightened hair which was kept in a loose braid out. Her hair reached around mid-back length from which we could tell, a very nice length of hair. Look below to see Janelle’s gorgeous long locks.