This story is a sequel to Princess Celestia, Princess Luna, and A House Centipede

One night—before Luna can raise the moon and takeover for her sister—they struck.

The cockroaches.

With their castle under siege by hundreds upon hundreds of cockroaches, Princess Celestia, Princess Luna, and their new resident house centipede must take back their castle before the cockroaches take over the castle—and all of Canterlot.

Edited by the awesome James Fire.

After a thousand years of banishment to the moon, Luna returns to find that not many ponies remember her. She has spent much of her time since her return hiding from the world, not even taking control of her night sky back from her elder sister. One night, she is convinced to slowly take command of her realm by Celestia. Luna once again learns what it means to be a princess, and to be loved by her subjects when they send her their thanks and love in the most humble of manners, in written form.

This is the story of her return to grace, and of her subjects' love and affection for both Luna and her night sky.

Nightmare Moon won. She defeated Celestia, broke the Elements, banished the sun. This all happened a very long time ago. So long ago, that she has had plenty of time to change her mind.

Of course, fixing our mistakes is never so simple, and never without consequences. Even with particularly potent help.

"If you came to conquer, you'll be king for a day. / But you too will deteriorate and quickly fade away."
— "No Control" by Bad Religion

A big thanks to Craine, Sorren, and Idylia for prereading and editing. If you enjoyed the story, don't forget to check out their pages.

Equestria Daily
Royal Canterlot Library (FIMfic version)
Russian translation by Doof
Chinese translation by Dreams Set Free

Kitsune Heart has done a dramatic reading of this story! Find it over here.
ObabScribbler has done a dramatic reading of this story! It includes a full cast of voice actors. Find it over here.

Comments contain spoilers.

Twilight Sparkle and Celestia are seeing one another.

They both want it - happiness, to share in their moments, trials and tribulations, all of it, no matter the changes that come.

Now they just have to tell the parents. It should be simple enough.

But a lot of things are simple at first.

My extra special, somewhat belated thanks go to friends Tired Old Man and Vylon for much editing, and additional thanks to Tired Old Man for penning the wonderful title description above. You guys are great, you really are.

When some of her friends develop a relationship after spending a few days out to solve a friendship problem, without finding any friendship problem in the first place, Twilight Sparkle start to think something is wrong with the Cutie Map. She's mostly right.
Warning: Story is very silly and we can only hope it never turns out to be canon.
Rated T for some sexual references.
Proofread by the awesome Nephox Venom.
EDIT: Featured in 18/10/2016! YAY! THANKS GUYS!

It was a bright sunny day when Princess Celestia was taken from us by three very familiar fillies... Or was she?

Idea from Rated Ponystar and Edited by Jumbled

This story is a sequel to You're NOT a Lesbian, Rainbow Dash!

Displeased at the chaos that their lack of basic sexual education has caused, Princess Celestia teleports Spike, Rainbow Dash, and Twilight Sparkle to her throne room to have a few words.

Unfortunately, Twilight manages to derail the conversation with something she sees as being of far greater importance.

Warning! Contains suggestive topic references of sexual nature.

Special thanks to Octavia Harmony for editing.

Since Luna's return, the diarchs' discussions have ranged from pleasantly inane small talk to world-shaking affairs of state. Sometimes both at once.

Inspired by Estee's The Elements of Elements collection. Now with a reading by Pony&Wolf Productions.

This story is a sequel to Princess Celestia vs. A Cockroach

After a long night of work, Princess Luna goes back to her bedroom, only to find a house centipede near her nightstand. Naturally, she handles the situation as most ponies wouldn't, and brings it to her sister.

Reading by Wolf newman.

Twilight Sparkle has fulfilled her destiny and become the sole ruler of Equestria.

Unfortunately, at her first council meeting, she learns a terrible truth.

Equestria is a bit of a mess.