Artfully hiding her baby bump under a festive red cape, Mariah Carey performed her latest holiday single "Oh Santa!" The singer -- who is expecting her first baby with husband Nick Cannon -- is currently playing coy about the rumor that she's having twins. Theo Wargo/WireImage.com - November 30, 2010
Stars Light Up Rockefeller Center
Jessica Simpson, Mariah Carey, and more at the 2010 Rockefeller Center Tree Lighting Ceremony in NYC.