Rania Hussein Mohammed Tawfik (Arabic: ????? ???? ???? ?????? ['??nj? he'se?n mæ'hæm.mæd tæw'fi??]; born October 8, 1981), known as Ruby (Arabic: ????? ['?u?bi], sometimes transliterated as Roubi), is an Egyptian singer, actress and occasional model who rose to fame with her debut single "Enta Aref Leih" ("Do You Know Why?") in 2003.