Right after Epik High's farewell stage with Wannabe on Music Core yesterday, SNSD's Yuri asked Tiffany, "Who is the star you wanna be?", to which Tiffany responded, "Mariah Carey. Her singing is so powerful, its the best." Yuri then egged on Tiffany to sing a line or two and the latter promptly obliged with Mariah Carey's Open Arms. Starts from 1:23 - 1:52. credit: SmoothyEco1st