Here's what got our coffee mugs super hot this morning: Mariah Carey's Christmas CD, "Merry Christmas II You" made a big debut on the charts. Rapper Shyne is now a strict Orthodox Jew. Michelle Obama's actions during her trip to Asia are causing chatter. Also, Rihanna has landed her eighth number one single with "What's My Name," featuring Drake. Take a look at who she surpassed in ranking. What's your favorite Rihanna song? Here's what you had to say: Lisa commented via Facebook: "More than Madonna? That's amazing! Go beautiful West Indian woman!" Patrice wrote via Facebook: "People may say and do things to hold her down but Rihanna is doing her thing."