User blog:Mizukithequeen/Yume and Laura wear S4 Uniform???!!!

I see Aikatsu Star movie ending in some video in Youtube :/ huh. And... why Yume and Laura wear S4 uniform. are that mean Yume and Laura will be S4 new member? (but if laura and yume be S4 new member, it means S4 change name: S6) sorry i have bad languange!