NARS Bite is a warm copper with a pearl finish that is limited edition and retails for $26.00. In comparison, MAC Viva Glam Miley Cyrus 2 is a warm coral with a sparkle finish that is limited edition and retails for $21.00.
MAC Viva Glam Miley Cyrus 2 is 85% similar — it is more shimmery, darker, more pigmented.