use a moon stone
Jigglypuff will evolve into Wigglytuff with a Moon Stone.
In order to evolve Jigglypuff, you will have to use a Moon Stone on it. It'll evolve into Wigglytuff.
No matter what game it is, you need a moon stone to evolve Jigglypuff.
It will evolve when you use a moon stone on it.
nidorino nidorina jigglypuff clefairy evolve.
use a moonstone
Moon Stone.
It evolve by a moon stone not leveling up
A Moonstone can evolve a Nidorina, Nidorion, Claefairy, Jigglypuff, and Skitty
you have to have a jigglypuff and evolve it with a moon stone
clefairy,jigglypuff,nidorino & nidorina
Use a moon stone on it.