K-pop fans were in for a pleasant surprise when members of NewJeans and BLACKPINK's Jennie were spotted together backstage at 2NE1's 15th-anniversary reunion concert in Seoul.

The event, held from October 4 to 6 at Olympic Hall, celebrated 2NE1's legendary legacy with electrifying performances, drawing in top celebrities from across the K-pop industry.

Among the attendees, NewJeans and Jennie crossed paths, bringing excitement to fans.

Many Korean netizens were excited to see their favorite K-pop idols cross paths and build a wonderful friendship with one another.

Korean netizens commented:

"Hul! My girls."

"Hul! I'm so happy."

"Where did they meet?"

"They met at 2NE1's concert."

"Oh my!"

"I can hear Danielle's voice lol."

"Hul! I want more photos especially with Haerin and Jennie because they both have cat face."

"My girls!"

"Minji's eyes are so cute!"

"This is so crazy!"

"This is so cute! I love this combination!"

"I want to be in that group!"

"I can hear Danielle say 'Jennie sunbaenim~~' lol."

"I can't believe I got to see NewJeans meet with Jennie."

"All the girls I love are together in one place."

"Wow! So crazy! I'm so happy!"

"This is so heartwarming."

SEE ALSO: BLACKPINK dominates girl group brand reputation ranking in December