Celebrities are able to mobilize a wide range of people on a global scale. In his Oscar acceptance speech, Leonardo DiCaprio urged his international audience to work collectively to combat climate change. Another example of celebrity activism is Daryl Hannah's support for biofuels and the campaign against the Keystone XL pipeline. In this article, I analyze the legitimacy of such celebrity power in international relations along three criteria (political impact, broad participation, and control and accountability). I argue that, as long as celebrities' claims are vague and do not go further than UN consensus, celebrity power can be considered legitimate through the political impact. In addition, DiCaprio and Hannah contribute civil society perspectives to the international agenda while, however, not necessarily voicing the most marginalized positions. Finally, by urging governments to comply to international agreements, as DiCaprio does, he holds governments accountable on behalf of the public. However, bo...

中文翻译：

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立即行动：名人权力在国际关系中的合法性

名人能够在全球范围内动员广泛的人群。在他的奥斯卡获奖感言中，莱昂纳多迪卡普里奥敦促他的国际观众共同努力应对气候变化。名人激进主义的另一个例子是 Daryl Hannah 对生物燃料的支持和反对 Keystone XL 管道的运动。在本文中，我根据三个标准（政治影响、广泛参与、控制和问责）分析了这种名人权力在国际关系中的合法性。我认为，只要名人的主张含糊不清，没有超出联合国的共识，名人权力就可以通过政治影响被认为是合法的。此外，迪卡普里奥和汉娜为国际议程贡献了民间社会的观点，然而，不一定表达最边缘化的立场。最后，通过敦促政府遵守国际协议，就像迪卡普里奥所做的那样，他让政府代表公众承担责任。然而，博...