Same with Luca, the only thing we know about Charli is her body shape, which is beautiful! So that means, it's time to guess!
I actually don't think Charli's a ginger. I think she's a brunette. Like a light brown hair. I also think her eyes are a light brown or a hazel.
Now personality, I have a head canon where Charli and Levi are the one's who curse the most in the squad, but other than that her personality is pretty much the same. Not alot more I can say about this, but I hope you enjoyed!!
