Urban Decay Frenemy is a cool fuchsia with a pearl finish that is discontinued and retails for $18.00. In comparison, Marc Jacobs Beauty Flaming-Oh (330) is a cool fuchsia with a pearl finish that is permanent and retails for $26.00.
Marc Jacobs Beauty Flaming-Oh (330) is 80% similar — it is more shimmery, darker, more muted.