Despite the fact that using a different version to the original WhatsApp might cause you some trouble, like having your account blocked, there are plenty of alternatives that can satisfy your needs one way or another.
Make your WhatsApp more modern and original.
The most beautiful WhatsApp mod
If you like Google's Material Design, you can now make the most of it on WhatsApp thanks to WhatsAppMD. You won't find any new functions in this application, as it works just like the popular instant messaging application, but you can new make the most of the animations and aesthetics that come along with Material Design.