Mariah Carey Vs Kat Dennings Mariah Carey and Kat Dennings in this metallic ultra-high slit dress. Umm,definitely Kat Dennings.Who wore it better? Related Posts:Mariah Carey discuss being the queen of ChristmasMariah Carey celebrates album AnniversaryMariah Carey in Michael Jordan's jersey for new Christmas…Nick Cannon talks celibacy and co-parenting with Mariah…