The success of K-Pop boy band BTS is unparalleled. The band, comprised of seven members - Jungkook, Jimin, V, Suga, Jin, J-Hope, and Rap Monster, have an army of fans not only in their native country of South Korea but around the world.

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After making a name for themselves in the U.S., this boy band easily gained fans in the millions, and they also won the hearts of several big named celebrities. A-list stars like Justin Bieber and Cole Sprouse have gushed over the K-Pop group, and Charlie Puth wasted no time partnering up with the band to perform both of their biggest hits, "We Don't Talk Anymore" and BTS' hit "Fake Love" back in 2018. These stars and many more have obsessed over BTS and are some of their biggest fans.

10 Halsey

Singer Halsey got the chance to meet the record-breaking boy band BTS while attending the 2017 Billboard Music Awards, sharing on Twitter, "ok I just met @BTS_twt and they are the coolest! Wow."

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The songstress even visited the band while she was performing in Seoul, South Korea, in 2018, and as their friendship continued to blossom, it led to Halsey being featured on BTS' popular song, "Boy With Luv." Halsey was also featured in the music video, dancing along with the boy band.

9 Jimmy Fallon

Jimmy Fallon is a huge fan of BTS, and not only because he shares the same name with boy band member Jimin. The late-night host had the band on his show back in 2018, where they took part in a Fortnite dance challenge and performed their hit "Idol" from their album Love Yourself.

Fallon loved the band so much, he welcomed them on his show for a second time in 2020, where they had a historic performance in an empty Grand Central Terminal, performing their song "On" from their record, titled, Map of the Soul: 7. 

8 John Cena

John Cena would love to meet the boys of BTS after hearing that they are huge fans of WWE. Cena even revealed to Entertainment Tonight that his favorite member of the boy band was rapper J-Hope.

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Talking about the South Korean rapper, Cena shared, "J-Hope is my favorite just because he's got a little bit of street cred, like myself." The former wrestler also admitted why he loved the band so much. He tweeted, "I got interested in their music, and then I got interested in what the music stood for."

7 Steve Aoki

Steve Aoki has been a part of the BTS ARMY for quite some time, remixing some of their biggest songs, including, "Mic Drop," "The Truth Untold," and "Waste It On Me."

Aoki thinks highly of this mega boy band, and even once shared to Forbes, "There's a high likelihood there will be a song sung in Korean played back to back with Post Malone and Ariana Grande on mainstream radio. And I think BTS will be the artist that will be up there."

6 Ansel Elgort

Actor Ansel Elgort met the famous boy band at the 2017 Billboard Music Awards and they have had a great connection ever since, according to iHeartRadio. Elgort has even joked that he's become the eighth member of the band, after sharing a black-and-white photo on Twitter.

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Elgort also hung out with the members of the group after showing V and Rap Monster a sneak peek of his single, "Supernova" before it came out.

5 Shawn Mendes

Fans would love to hear a Shawn Mendes and BTS collaboration, so what's the hold-up? According to the "Stitches" hitmaker, he hopes to one day create music with the boy band, but knows they are probably super "busy."

He told Kiss 92.5's The Roz & Mocha Show, "They're busy people. I have no lyrics on their collaboration yet. It'll happen. Promise. I can't give you a date because we haven't hung out and wrote a song yet, but it'll happen. 'Cause I love them and I think - their fans too. So I promise."

4 Cole Sprouse

Actor Cole Sprouse is another celeb that can be included in the BTS ARMY. The former Disney Channel star once mentioned the boy band in an interview at The People's Choice Awards in 2019 when asked about his "bro crushes," including "the entire crew of BTS."

The Riverdale star also shared, "You know, you just got to love the K-Pop dude. I love K-Pop."

3 Randall Park

Randall Park talked about his admiration for BTS with Ellen DeGeneres after attending one of their concerts with his wife, who is a superfan, back in 2019. The Interview actor even stated that he got teary-eyed while watching them perform and seeing people from all different races and ages, enjoying their music and singing along.

"It was just really, oh my gosh, as a kid, I could never imagine something like that happening," he shared with DeGeneres.

2 Justin Bieber

Justin Bieber hinted at a possible collaboration with BTS after he tweeted out a happy birthday message to Jungkook in 2019, adding, "They ain't ready," which made fans go crazy as they began to wonder about the possibility of the Biebs doing a song with the boy band.

While there still hasn't been any news of a Bieber and BTS collab, the singer is a devout BTS fan, and once stated, "If anyone knows how to make history, it's BTS," adding, "The K-Pop group has been shattering records across the global music industry."

1 Ed Sheeran

Fans all over the world were thrilled when Ed Sheeran and BTS collaborated on the song "Make It Right." The song was also written by the "Shape of You" singer and was featured on their project Map of the Soul: Persona, which also featured a song collaboration with Halsey.

After the song was released, BTS expressed their excitement about how the collaboration happened a year later, sharing, "We still can't believe it. Ed suddenly contacted us and said that he had a present, and he actually sang the song for us."

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