The Shi'ar are a fictional species of aliens appearing in American comic books published by Marvel Comics. The Shi'ar Empire is a vast collection of alien species, cultures, and worlds situated close to the Skrull and Kree Empires. From Wikipedia
The latest episode of 'X-Men '97' on Disney+ explores Professor Xavier's complex relationship with Shi'ar Empress Lilandra, amid intergalactic political tensions and personal dilemmas.