How to get 'Party Puffle' stamps

Many of you have it but the ones that have it will take the steps:

1. Take your puffle (Whatever the colour is)

2. If you have a red, blue, and any other colour puffle, walk to their party rooms. 

Trying to find their party rooms? Here:

White- Ski hill/Ski mountain
Orange- Box dimension (Located at the beach)
Yellow- The lighthouse
Green- The beacon
Blue- The dock
Purple- Dance club
Brown- Arcade
Black- The pool (Secret doorway is in plaza then click on the manhole)
Red- The cove
Pink- Iceberg (Hidden in the map)
Rainbow- Cloud Forest (Located in the Puffle hotel and only Members Room)

Enjoy!