Bidding farewell to 2009 in style, Mariah Carey has announced a special New Year’s eve show at New York’s Madison Square Garden. According to organizers, Carey will perform a selection of her hits, including songs from “Memoirs of An Imperfect Angel,” her latest album, which debuted at #1 on the R&B charts and features the platinum single, “Obsessed” and her newest single, “H.A.T.E.U.” Tickets for the forthcoming show, taking place December 31 at MSG, go on sale today, November 14.