Princess Celestia tires of constantly being surrounded by decorum, deference, and formality, and decides to take a day off from being Princess. But visiting Ponyville incognito is harder than she expects. Will she be able to fit in and make friends without blowing her cover?

Twilight and her friends enjoy a relaxing day at the beach, when Rainbow Dash has a startling encounter that leads to an exciting undersea adventure.

Featured on Equestria Daily on 09/28/2012

A grown-up Spike looks back on his life and on those who are no longer with him as the anniversary of a dear friend's death rolls around. Will he be able to deal with his grief and put the past behind him? Or will he need the help of someone even older?

A kind of follow-up to my featured fic "My Little Assistant"

Nearly a century after six mares united under Equestria's greatest ideals, one is left to ponder her dreams, her life, and her legacy. In doing so, she may realize that friendship - much like magic - truly never dies.

Spanish translation thanks to SPANIARD KIWI.

When your life is as dull a gray as the world that surrounds you, the mundanities can make it all seem meaningless. Sometimes all we need is a little color -- or six -- to reintroduce us to what truly makes life worth living.

*6-16-2017 Edit, added Rainbow Dash tag because it triggered knighty.*

"It's called 'Shh'," said Fluttershy. "It's a game about who can be quiet the longest. Sound fun? I'm the world champion."

Fluttershy is not a pony who makes things up. She really is the world champion of "Shh," or The Quiet Game. And now it's time for her to defend her crown, with Twilight Sparkle and Rarity along for the ride.

The Princesses find an alien creature barely clinging to life at the scene of a terrifying crash. Can the Combined Power of the Elements of Harmony save it, or more importantly, should they save it? Will the arrival of this strange creature tear Equestria apart?

TV Tropes
https://tvtropes.org/pmwiki/pmwiki.php/FanFic/Article2

What was originally meant to be a single piece, this story, its prequels and sequels, focus on the mane six and their dealing with being the Elements of Harmony, how ever long that will last...

Twilight Sparkle devises a new experiment to test Pinkie's Pinkie
Sense. But when the experiment takes an unexpected turn, Twilight must try to
understand her feelings for Pinkie and unravel the secrets of Pinkie Sense.

This is a collection of short stories, all shipping, and all with some element of luck involved in the pairings. All the stories take place in the same continuity, and all pairings are final! No cheating in these fics, sorry.

When Rainbow Dash kissed her, she had no idea what she was doing. She was running on automatic. Will the pony of her dreams hate her? She really is the Stupidest Pony In Equestria.

Based on image by GonzaHerMeg.