4. Celebrity and Idol Endorsements

Forever 21 gained additional momentum in the K-pop community when popular idols and celebrities were spotted wearing the brand’s clothing, both on stage and in casual settings. Groups like BLACKPINK and BTS have been seen incorporating Forever 21 pieces into their off-duty looks, which inspired fans to seek out similar styles. These organic endorsements boosted the brand’s credibility and solidified its place within the K-pop fashion wave. For examples of K-pop stars shaping fashion trends, see Billboard for coverage and celebrity style highlights.