Star Guardian Xayah R not working as intended

Hello

https://puu.sh/Ezz1o/ab4ff8a72a.mp4

Here is a video i captured, the skin on PBE was changing color when using R (she became white and blue) also when backing. It's not working anymore, and for a legendary skin it's seriously annoying...

https://puu.sh/Ezz6b/fae1bc7e0d.png

Here is how it should look like.

Thank you.