McMillen has been working with the sisters for over a decade.

Theyre sisters, but I just look at them as different clients, McMillen said toTeen Vogueback in 2016.

There are similarities in the attention to detail and the way that they plan for things.

Elle and Dakota Fanning Have Two Very Different Takes on Sexy Spring Style

Donato Sardella/Getty Images

They both really love fashion and really go for it, which is really nice.

I just have a lot of fun working with them.

This article first appeared onBritishVogue.

Dakota Fanning

Dakota Fanning

Elle Fanning

Elle Fanning