NARS L'Amour, Toujours L'Amour #5 is a warm gold with a metallic finish that is discontinued and retails for $25.00. In comparison, Too Faced Moonbeam is a warm gold with a metallic finish that is limited edition and retails for $16.00.
Too Faced Moonbeam is 80% similar — it is less shimmery, darker, more muted.