Rihanna and Chris Brown Back Together? [VIDEO]

Well, it's  not exactly confirmed that the two singers are back together... but Rihanna has added Chris Brown to her new single "Birthday Cake". The track, from Rihanna's newest CD, "Talk That Talk" will be released as a remix with Chris Brown on it.  The two have been rumored to be spending a lot of time together lately and TMZ recently reported that Brown was at Rihanna's birthday party and was asking  guests to sign confidentiality agreements.  Wowza!  We all know of the situation that split them up in the first place, but what are your thoughts on them getting back together?  Do people deserve second chances or is Rihanna setting a bad example for young woman?