Mariah Carey kicked off the inaugural Grammy Nominations Concert in Los Angeles on Wednesday night (03Dec08) with a little festive flavour. Wearing a mini-dress with a white trim, the pop superstar performed CHRISTMAS (BABY PLEASE COME HOME). R+B star NE-YO announced the first nominations for Best New Artist at next year's (09) Grammy Awards - THE Jonas Brothers, Adele, Duffy, LADY ANTEBELLUM and JAZMIN SULLIVAN. The Grammy Nominations Concert was hosted by LL Cool J and Taylor Swift.