About Rihanna's performance, she did have some ill notes there and went a bit heavy on the screeching. What I really didn't like about it was that she played it safe the entire time. She didn't go anywhere: vocally, and literally. She stayed at the piano the whole time. I know it's not a party song like SOS, but I think she should have moved around a bit, and used better expression (I swear, she looked dead the entire time). Also, the wardrobe could have been better... I'm not one to obsess over fashion, but she just didn't look like the Rihanna in the Unfaithful video... I prefer the matured Rihanna in distress over the huge earrings sparkly teen Rihanna.
Nick Lachey is going to debut Thursday. The song is okay (better than WLOM anyways...), and with P!ATD at risk for falling off, people want to see JT and NL break into the Top 5 and stop the female domination of the c/d. It would be nice to see Outkast debut as well, but I don't think they will. Their video will probably just bury Nelly Furtado out of any chance of returning.