MAC Lovesmoke is a cool silver with a metallic finish that is limited edition and retails for $17.00. In comparison, Dior Trompe L'Oeil (011) is a cool silver with a frost finish that is limited edition and retails for $31.00.
Dior Trompe L'Oeil (011) is 90% similar — it is more shimmery, more pigmented.