Marc Jacobs Beauty Boom Boom (210) is a cool fuchsia with a pearl finish that is discontinued and retails for $28.00. In comparison, Marc Jacobs Beauty Not Sorry (378) is a cool fuchsia with a sparkle finish that is permanent and retails for $29.00.
Marc Jacobs Beauty Not Sorry (378) is 85% similar — it is less shimmery, lighter, warmer.