A childhood photo of Red Velvet's Seulgi and her brother garnered attention for their close resemblance.

On a recent online community, one netizen posted a childhood photo of Red Velvet's Seulgi and her older brother. In the photo, Seulgi and her brother visibly looked very similar, posing in front of a gray door and looking straight into the camera.

Here, the netizen wrote, "Seulgi's older brother, who looks more like Red Velvet's Seulgi than Seulgi does herself". In response, many netizens flocked to the comments to also express their surprise at how similar the two siblings looked. 

Netizens commented:

"Omg, they look so similar. LOL. He really looks like Seulgi more than Seulgi herself does."

"He looks more like Seulgi than she does herself, LOL."

"Is he Seulgi...?"

"Omg, it's Seulgi."

"There are two Seulgis LOL."

"Seriously, Seulgi's brother looks more like her than she herself does."

"I came into this post wondering what this is about, but I was shocked to see how similar he looks to Seulgi. Lolll."

"Wow, they really do look alike."

"Are they twins???"

"There are...two Seulgis."

"Wow. Their genes are strong."