Mary J. Blige released the "official" video for "Just Fine" way back in October. The song features on her newest album, Growing Pains. As she mentions in the intro, she really loves this joint. So much in fact, the singer filmed a second video just for the "Club version" which premiered today:

(Technically, embedding is disabled on that vid, so if it isn't working here, jump over to the youTube page:)

http://www.youtube.com/watch?v=EMmx12sRKog

And, here is the original video - see if you can tell the difference: