Rosé's iphone wallpaper

Can anybody tell me what Rosie's iphone wallpaper image is, or where it's from. Whose legs are those?

edit: Here's the cropped image by itself

Quote from hueningkaiskai

thats her body and her legs lmao

Quote from Skyliv

That's her

Which photoshoot is it from?

Quote from hueningkaiskai

not from a photoshoot

from her stage outfit

I just cropped the image, and either I'm blind or I don't see. It's someone wearing a yellow shirt with half hearts, no?

Quote from littlemissnoname

That's Rosé and it's from the OTG M/V

It's from this fit

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thank you. It's from concept photos from otg it seems