The rise of anti-immigration arguments within the European Union (EU) poses significant challenges to our democratic existence. As such, the promotion of critical thinking (CT) for the development of a multicultural citizenship education has been underlined. Recent research also shows a close connection between emotions and cognition with positive effects over students' motivation to engage in CT. Through the analysis of focus groups with 61 Portuguese secondary school students, this research shows that they are critical about democratic political values and practices at the EU level, and highly motivated to discuss controversial political and humanitarian issues that are emotionally engaging. Educational practices that encourage the discussion of controversial topics in the classroom, welcoming students' emotional engagement with these topics, can increase their resilience to anti-immigration rhetoric.