ILLIT Wonhee’s Cover Of IU’s “Good Day” Heavily Divides The Internet

Did she hit the triple note or not?
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Serah S. Cherrie
Serah S. Cherrie

ILLIT member Wonhee has caused some radically divided reactions online with her latest solo performance.

illit wonhee spotv
ILLIT’s Wonhee

On December 31, KST, Wonhee took the stage at the 2025 MBC Gayo Daejejeon, where she performed IU’s popular song, “Good Day.”

Ever since this cove performance got announced, netizens have been eagerly waiting to see how the ILLIT member pulls off such a difficult song, especially the infamous triple high note.

Wonhee ended up delivering the song perfectly on stage, even with some choreography sprinkled in between. Multiple clips of her performance have been doing the rounds on the internet since, drawing millions of views.

However, the reaction to Wonhee’s performance has been highly divided. On the one hand, fans were blown away by her vocal prowess and felt like it was a fitting reply to all naysayers who doubted her ability to cover “Good Day” live.

On the other hand, critics rushed in, arguing that the HYBE idol did not sing the song live but used pre-recorded vocals to stimulate a live sound. Some even brought up IU’s live vocal performance of the song, pointing out that she had to visibly push her throat muscles to hit the high notes, whereas Wonhee appeared to be doing it without even breaking a sweat.

Some defended the idol, posting an audience-recorded version of the triple high note, where her voice could be heard going slightly off-pitch for a moment, a characteristic of a live vocal performance. However, netizens also criticized this version, labelling it badly delivered.

In response, many again defended Wonhee, arguing that she was simply nervous during the performance and pulled it off well for such a young idol.

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