BTS Jungkook's fanboy moments at Stray Kids concert go viral: Watch

Jungkook steals the spotlight at a Stray Kids concerts as he goes full fanboy.

On Sunday, July 26, the BTS star made an unexpected appearance at Seoul (KSPO Dome) to attend a live show as part of SKZ’s RUN IT World Tour, sending fans into a frenzy.

The youngest BTS member was spotted in the audience enjoying the show, and it didn't take long for fans to notice just how much fun he was having.

During the concert, Stray Kids leader Bang Chan spotted the 28-year-old K-pop icon in the crowd and greeted him from the stage.

He also responded with a smile, filming Bang Chan with one hand while enthusiastically waving back with the other. Their sweet interaction has K-pop fans swooning

One fan playfully commented on Jungkook's influence, writing, "This man can singlehandedly launch wars and settle disputes between nations."

One of the night's biggest viral moments came when Stray Kids member Felix tossed his glasses into the audience.

In a twist that left fans stunned, Jungkook was the one who caught them. He even tried on Felix's glasses, sending the crowd and the internet into a frenzy.

One fan wrote, "JK looks like he's having so much fun. It makes me happy to see him enjoying himself!"

Another joked, "He was so fangirling the whole time lol."

The Dynamite hitmaker also embraced the concert experience by holding up a Stray Kids banner that read, "We are like the sound of a beating heart, never stopping," drawing praise from fans for supporting his fellow K-pop artists.

Throughout the show, Jungkook appeared relaxed and cheerful, dancing, singing along, and fully immersing himself in the concert atmosphere.