I don't think so, it's just the angles and the way she's posed (maybe Ivanov has done some editing but I kinda doubt it). That pic is from the 27 Aug 2023 Plotnikoff workshop, check the "Ksenia Anike_2" vid from the bunkr folder above at 4:00 which is when the photo was taken by Ivanov. Her tits look fuller and rounder because of her arms being thrust up and back but they're still as natural as they ever were. in all the photos she's done since then they look the same