Best Way To Clean a Plushie

[Horsefucking Ponyfaggot]

So, I've had this Pinkie Pie plush for a while. A 4DE one to be exact. What would be the best way to clean it? It's become quiet dirty. A lot of the fur of the plush has darkened. I've done a little research online, but I want to see what you fine folks would say to do.