This is a short MLP:FiM minicomic series called "After the Gala" where the ending events of "Best Night Ever" are told in more detail according to each character. This page is Twilight Sparkle's story.
Now that the Princess is back, I'm sure that she and Twilight would have finally gotten a big chance to chat like they had hoped for at the Gala. And I had Celestia tell that story cuz I figured that's how it must have happened. She probably used a magic spell to calm the animals down and then get them to leave the ballroom peacefully and then just told the guards to take over for her while she went out. And if there were more guests to greet, she probably had one of her subjects do it for her. Now she's back with her faithful student to spend time with her and get out of that boring old Gala! Yeah, this page should probably have been the first one.
Spike gets his first speaking role, yay! But it won't be his last! I'm having a hard time getting used to Spike for some reason still but I'm improving with Celestia luckily! And this isn't the last page with Celestia in it, but it'll be the last one where she'll have a speaking role and a helpful bit. With that all done, remember folks: SAY NO TO TROLLESTIA SUPPORT!!!
This was sketched on paper, and then I lined and colored all the characters and speech bubbles in Paint. I then used Paint.net to add in the background, which was also constructed in Paint.
Pinkie Pie's story is next.
MLP (c) Hasbro FiM (c) Lauren Faust
EDIT: Thanks to this comic has been featured on TV Tropes! [link] Press Fan Art and then scroll down till you see the one that says "This six page fan comic that..."
backwards version: Twilight found the princess and said 'Yeay we can talk about stuff now' but Celestia was like 'Oh Twilight I'm sorry but i must go back to the Gala now because there is more ponies to make sad... err i mean more ponies to greet ' Then Celestia ran away and then spike was all like 'I miss the hat '.