Will we be getting anymore pool party skins this year?

I don't know about you guys, but the pool party skins are probably one of my favorite skin lines to date. I think they are a really fun theme and they have a lot of potential for expanding to other champions. I'm hoping that riot is planning on giving us more pool party skins sooner rather than later. I know I've seen a lot of cool concept art for some champions, Zac being one of my favorites. What do you guys think though? Who would you like to see get a pool party skin?