"They look very similar to me, and I could see them as father and son in a movie."

—wheresmymind

"The first time I saw Gaten on Stranger Things, I googled if they were related. They have a really similar goofiness about them, but also their expressions and eyes are kind of uncanny."

—sunflowersugar

—n48656c421

"I literally messaged The Rookie: Feds on Instagram to get them to play siblings. I will die on this hill."

—n48656c421

"I want Odeya Rush to play Mila Kunis's daughter or younger self sooo badly. Hollywood, make it happen, because I said so."

—mayaklein

"Abby from Ginny & Georgia looks like a young copy of Kate Moss."

—annechananne

"Depending on how they highlight and contour her cheeks and jawline."

—tehtruehannatude

"Especially, Millie as Eleven from Stranger Things."

—berners0511

"She looks just like Larisa Oleynik from The Secret World of Alex Mack and 10 Things I Hate About You."

—thisismyrealname

"She is clearly a young Elizabeth Perkins. Hands down, they must be related in real life.

—kwinsted87

"Oddly, while I agree that Millie bears a striking resemblance to Elizabeth as Elizabeth looks now, I feel Kiernan Shipka more closely resembles her in her younger days. They both have the same strong eyebrows."

—subsub

Some responses have been edited for length/clarity.