Natasha Denona Glam (331M) is a warm brown with a metallic finish that is permanent in palette and retails for $29.00. In comparison, NARS Bayadere #4 is a warm brown with a metallic finish that is permanent in palette and retails for $19.00.
NARS Bayadere #4 is 90% similar — it is more shimmery, lighter, warmer.
