When Rarity woke up, she noted two things. Firstly, she saw that Pinkie was already awake, staring out of the window into the sky. And secondly, she noted the colour of said sky.
Pinkie Pie had promised Ms. Ruby to be at the Yearly Midsummer festival; even when it happens to be at the Crystal Empire this year. The trip caused Pinkie Pie a small problem, but a masquerade solved the problem.
This had been one of these perfect birthdays and Pinkie Pie threw a Party, like always. The party had been a blast. Now the filly ended up alone with pinkie Pie after the Party. To their surprise, there is a scent of Icing or Frosting.
Gwenpool, the young teenage female version of Deadpool. Pinkie Pie, the human version of the pink party pony. Two crazy girls are about to go at each other to see who is the true girl of fun all in 60 seconds, things will be broken than sweets.
It wasn't like Pinkie didn't make a list of all the things she needed to do. She did! It was just the whole "doing" part of her to-do's that she struggled with.
Of course Rainbow Dash had to start a band with her friends in time for the Battle of the band, where they crushed the Dazzlings. If all they actually wanted; to be adored, why not help them in a different way? Their gems are dead.
Pinkie Pie is curious and explores anything and everything before her. This time she found a strange box, she had to open it. The content of the box was cause for a Party, but the sense she caught from wearing these garments.