Ukraine has formally protested an upcoming performance by Russian opera singer Anna Netrebko in Luxembourg. The Ukrainian embassy issued a statement expressing ethical concerns regarding the promotion of figures associated with the Russian cultural establishment on international stages. Kyiv views the concert as potentially legitimizing Russian influence and undermining support for Ukraine. The embassy argued that such performances raise serious questions about ethical considerations in the current geopolitical context. Netrebko has previously faced scrutiny for her past support of the Russian government, though she has since distanced herself from political statements. Luxembourg authorities have not yet responded to the Ukrainian protest. The controversy highlights the ongoing debate surrounding cultural exchange with Russia amid the war in Ukraine.