Ooooh, said I know, I know, I know. If you know what's good for you, you better back up off DeJ Loaf! The Detroit songstress just released the visuals for her latest single "Back Up" featuring fellow Detroit native Big Sean. Most of the video is set in a skating rink as Miss Loaf sings in front of and around the skating dancers all having a good time. Filled with dope dance moves on wheels and lots of colors, this video will definitely let you know that DeJ and Big Sean mean business! But can still have a good time. Hit the flip to check it out.....