Here you can see difference , Ellie's model in last of us 1 looks mature and understand Joel's decision and Ellie's model in last of us2 looks innocent and didn't know anything

What is the meaning behind the ending of The Last of Us, where Ellie and Joel are seen together? - Quora

Was Ellie from The Last of Us based on Ellen Page? - Quora

Finally worked-out why TLOU2 Ellie looks messed-up : r/TheLastOfUs2

Random: See How Joel and Ellie Compare to Their Past Selves in The Last of Us 2 on PS4

The Last of Us: A Tale of Two Ellies - IGN

The Last of Us Part II - PlayStation 4 : Solutions 2 Go Inc, Sony: Video Games

Reviews: The Last of Us: Part II - IMDb

The Last Of Us Part 2: 10 Things That Changed About Ellie Between Part 1 And 2

THE LAST OF US Episode 9 Side By Side Scene Comparison

The Last of Us Part II - PlayStation 4 : Solutions 2 Go Inc, Sony: Video Games