BTS’s Jungkook “Flirting” With LE SSERAFIM’s Chaewon Sparks Heated Reactions

BTS‘s Jungkook and LE SSERAFIM‘s Chaewon have been pulled into “dating rumors.”

In the past, Jungkook’s interactions with Chaewon have gone viral, though some have often connected them to aespa’s Winter, with whom he has been the subject of dating rumors for over a year.

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On September 18, BTS performed at the iHeartRadio Music Festival for the first time in six years. LE SSERAFIM were also in attendance, performing on the event’s second night, though fans were gifted with a photo of the two groups together before they took the stage.

In a video initially posted to TikTok, some connected Jungkook’s actions on stage to Chaewon’s while the group watched BTS perform. Jungkook supposedly smiling and looking over his sunglasses was linked with a video of Chaewon waving towards the stage.

A video making this allegation was posted online, with it some adding that Jungkook was “cheating” on his alleged girlfriend, Winter.

they made the op delete the post, but here it is: Jungkook flirting with Chaewon yesterday while he’s still dating Winter 🐶🐶🐶 #정국 cheater pic.twitter.com/kpwXdBqWZO

— 𝔞𝔭𝔯𝔦𝔩 (@jkfreeyourmutts) September 20, 2026

Many defended the two idols, particularly Jungkook, saying the the rumors were baseless.

according to antis jungkook is dating winter but cheating her with chaewon while having an affair with his female dancers and one night stands with all the girls he repost pic.twitter.com/co8o7TFUMS

— ★ (@rantapologist) September 20, 2026

This is how the Winkook rumors started. People used every accessory, piece of clothing, and small interaction to fuel shipping until it turned into rumors. And now they’re doing the same thing again with Chaewon and Jungkook. FREE JUNGKOOK.

— JET2HOLIDAY (@jet2holiday2) September 20, 2026

this jungkook chaewon thing feels like armys trying to find another girl to bully like they minjeong last year. pic.twitter.com/Z7YX8SxGZ6

— jami (@g6ldwings) September 19, 2026

Additionally, many shared different angles of Chaewon and Jungkook, showing that Chaewon actually appears to be interacting with another member.

and now i hope the weird hoes stop bringing hate to cw and jk pic.twitter.com/P69lgMCn4F

— ㅋᩚ (@outrokkura) September 20, 2026