Swedish pop star Zara Larsdotter lashed out at the White House this week, calling officials “FOXTROT losers” after the administration used her song “Midnight Sun” in a TikTok video showing U.S. Immigration and Customs Enforcement officers detaining and restraining a group of men. The clip, posted to the White House’s official TikTok account, carried the caption “Never ending deportations” — an apparent play on the song’s lyric “never ending midnight sun” — and showed roughly a dozen men in handcuffs and leg restraints. Ms. Larsdotter responded in her own TikTok video, saying the footage left her “really sad” and accusing...