MAC Zen Rose is a cool fuchsia with a luminous finish that is limited edition and retails for $17.00. In comparison, Givenchy Croisiere Fuchsia (309) is a cool fuchsia with a luminous finish that is limited edition and retails for $36.00.
Givenchy Croisiere Fuchsia (309) is 90% similar — it is less shimmery, brighter, less glossy.