Mariah Carey

5, 4, 3, 2, 1. Mariah Carey drops the festive video for “Auld Lang Syne (The New Year’s Anthem),” the celebratory single off her holiday album Merry Christmas II You. Dressed in a lacy black dress and diamond jewelry, the pregnant diva sings and dances to the upbeat tune as fireworks explode against the night sky. Ring in 2011 with Mimi.