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[2026] Idol songs trending on TikTok [Popular & Classic Tracks]

TikTok has become an essential social media platform when talking about today’s music trends.

Countless idol songs are used for dance clips, choreography videos, and more.

In this article, we’ll introduce a selection of idol tracks that are popular on TikTok.

If you only know a snippet—like the chorus or the intro—of a song that went viral on TikTok, this is a great chance to listen to the full track.

As you look up artist names and song titles or watch music videos, you might even discover a new favorite “oshi.”

Be sure to check out these numbers packed with the cute and catchy charm unique to idol songs.

[2026] Idol Songs Trending on TikTok [Popular & Classic] (91–100)

HEARTKing&Prince

King & Prince 「HEART」MV
HEARTKing&Prince

A classic love song that goes straight to the heart is being delivered by King & Prince.

Featuring a positive message for listeners of all ages and an irresistibly catchy melody, this track serves as the theme song for the Kansai TV/Fuji TV drama “Falling for the Heir Is Way Too Hard,” starring Ren Nagase.

Scheduled for release in March 2025, the single will be available in four editions, each with different coupling tracks and DVD bonuses.

The choreography by globally renowned dancer MONA further enhances the song’s appeal.

This uplifting track is perfect for moments when you want to feel the thrill of romance or express your feelings to someone special.

HOTLE SSERAFIM

LE SSERAFIM (르세라핌) ‘HOT’ OFFICIAL MV
HOTLE SSERAFIM
@ch1m2000

watermark is on a HOT chat ig #lesserafim#HOT#kpop#dance#fyp#viral

♬ HOT – LE SSERAFIM

This captivating pop tune, which blends elements of rock and disco, has been trending thanks to its TikTok dance videos.

In their first song themed around love, LE SSERAFIM expresses a passionate determination to give their all for what they love, even without knowing how things will end.

Included on the mini-album “HOT,” released in March 2025, the track also features contributions from an artist who worked on BTS’s “IDOL.” The dreamy music video, where reality and fantasy intersect, stands out for its distinctive filming techniques and a one-take performance scene.

It’s a perfect pick not only for those who want to enjoy dancing on TikTok, but also when you need an extra boost of encouragement or want to move your body and refresh your mood.

SOMETHING AIN’T RIGHTXG

XG – SOMETHING AIN’T RIGHT (Official Music Video)
SOMETHING AIN'T RIGHTXG
@juri_._0212

I love this dance—it's so cute ^^#KyoSuki (short for “Kyou, Suki ni Narimashita,” a Japanese reality dating show)Summer Vacation Edition 2024#07#04#dance @shiho

♬ SOMETHING AIN’T RIGHT – XG

This is an authentic R&B track rooted in 90s UK garage, interwoven with danceable beats.

Featuring XG’s signature powerful rap and refined dance performance, the work ambitiously explores the theme of the struggle between one’s true self and societal expectations that everyone faces.

Released in July 2024 as the lead single from their second mini-album, AWE, it pairs dynamic rhythms with lyrics that vividly capture the subtle discomfort and anxiety lurking in everyday life.

The music video unfolds a fresh storyline about girls hiding their identity as aliens, and it sparked huge buzz, surpassing 5 million views on YouTube within a week of release.

It’s perfect for TikTok dance videos, and it’s also a song that can give you a little courage on days when it’s easy to lose sight of who you are.

Step and a stepNiziU

NiziU 「Step and a step」 1st Anniversary Special ver.
Step and a stepNiziU
@sonymusicjp

#NiziU (@niziu_official ) Debut Single 「#Stepandastep#RabbitDanceChallengePost it with # and tag! 🌈🐰 Entries accepted until 12/4!#rabbitdancechallenge#WithU

♬ Step and a step – NiziU

A debut work with a warm, gently embracing melody and a message everyone can relate to.

NiziU’s encouraging song teaches the importance of moving forward at your own pace.

Dressed in predominantly white outfits, the nine members deliver a dance performance set in colorful scenes that shines like a rainbow.

Released in December 2020, the song was also featured in Lotte’s “Fit’s” commercial and achieved the remarkable feat of reaching No.

1 on the Billboard Japan Hot 100.

Produced by J.Y.

Park, this track resonates with those who value steady, step-by-step progress, offering courage and hope.

It’s also a popular hit on TikTok.

Challenge the theory of relativityNogizaka 46

Nogizaka46: Objecting to the Theory of Relativity
Challenge the theory of relativityNogizaka 46

This song, very characteristic of Nogizaka46, is a fresh work that fuses the urgency of romance with concepts from physics.

Through the theory of relativity, it conveys the intensity of being in love.

The lyric “I want to see you faster than light” is filled with aching yearning.

It’s included on their 37th single, Footbridge, releasing on December 11, with 5th-gen member Hina Okamoto serving as center for the first time.

The music video is out as well, so be sure to check it out! Since this piece portrays romantic feelings from a scientific perspective, it’s recommended both for people who love physics and for those who want to savor pure romantic emotion.