Anyone want to guess what "the center of the universe" is going to add this week? Rihanna's "Russian Roulette" is pretty much guaranteed. "One Less Lonely Girl" by Justin Bieber is likely as well since it's already on their 9@9 countdown unfortunately. Jordin Sparks' "SOS" also seems possible. I always guess one right every week, so I hope I don't ruin my streak.