Red Velvet's official Instagram account posted a new update on March 23, 2026, featuring a highlight medley video from Irene's first solo album, 'Biggest Fan'.
The images show a pink television alongside a message revealing the album's release date. The album drops at 6 p.m. KST on March 30, 2026. Fans flooded the comments with praise, saying things like "Irene will make history".