There were four emotes that were leaked when the V4.3 update was released and one of them, Baller, has already been released. You can see what the emotes that are yet to be released will look like, thanks to @jh9 on Instagram:
Rambunctious – Rare – 500 V-Bucks
The embodiment of boundless energy
https://www.instagram.com/p/Bjadu7alx2A/?taken-by=jh9
Laugh it Up – Rare – 500 V-Bucks
What is so funny?
https://www.instagram.com/p/BjabSSIlNXv/?taken-by=jh9
Boogie Down – Epic – 800 V-Bucks
Boogie Down with Populotus
https://www.instagram.com/p/BjaYUs1F4Rp/?taken-by=jh9
The Boogie Down emote will be released soon, which is of course the emote that won the #BoogieDown contest. You can see the original dance by @Populotus and the Boogie Down Fortnite emote side by side below:
@Populotus Side by side of the boogie down emote (sorry for bad quality) pic.twitter.com/SckLaJTjea
— ben 🗡️ (@benzytwt) May 30, 2018
Emotes from left to right: Rambunctious (Rare) , Boogie Down (Epic) , Laugh it Up (Rare)
Images courtesy of Stormshield One
Check out the other fan concepts that made it into Fortnite below: