As you know, Club Penguin has made many sponsored parties since 2011. The combination of this fact, and the fact that they will be having some sort of Summer Music Jam in the summer leads me to believe that they will have some sort of Austin & Ally Summer Festival in July or August. What do you think?
GN commented his theory, that there might be a Teen Beach Movie party. The description for the parties in summer said we will "travel to new dimensions" this summer, and this movie takes place in a different dimension. Also, here is what I found in the Exclusive Catalog of My Penguin:
Maia Mitchell, Ross Lynch?