Leaving Rarity's property, the two Ponies travelled back through the town. As luck would have it, they moved by a sweet shop. Bluebelle paused and backpedaled.

As an Alicorn, she required several hundred more calories a day to maintain her current weight. (1) So when she smelled the sweetness within the store, she couldn't help being at least a little curious.

Giving a glance to Silver, (receiving a nod in return) Bluebelle entered the store.

As she entered, a bell rang. A perky voice replied, "Bon Bon's Bon-Bons! (2) What can I do for you?"

"i'll tell you when I figure it out." Bluebelle said.

Looking at the sheer size of the selections, Bluebelle was astounded. There were candies of all sorts. Chocolates, brownies, Swedish Berries, 22 kinds of Licorice (black oddly not being among them), a long freezer full of ice cream, saltwater taffy, gumballs, four kinds of mints, gobstoppers, jelly beans and gummies of various kinds, and much more!

"Ooh, I just can't decide! I'm spoiled for choice!" Bluebelle exclaimed in excitement, her wings extending slightly.

Not being the kind of mare to miss a trick, the store's owner made a note of this, but remained on topic. "Well, I'd suggest one of these containers of gourmet jelly beans."

"I'll take three!"

Bon Bon smiled. This one would be a big spender, and she always liked to see Ponies with a sweet tooth -or in the case of Alicorns, judging by how often Twilight (and Princess Celestia especially) stopped by, sweet teeth-. "Also, the saltwater taffy is always nice, and I highly recommend the licorice..."

"I'll take some of all of those too! How much?"

After paying for her selections, Bluebelle fairly skipped out of the store, the bag holding all of the candy she'd purchased held in her magical grasp. This also had an enchantment to be extra deep.

Silver (waiting for her charge to get a fair distance away first) smiled and shook her head before following.

(Later)

As Bluebelle returned to her room with her "purchases", she laid the dresses out on her bed; Being a shrewd businessmare, Rarity had sold the bespelled mare several dresses of varying kinds, each made to fit their owner perfectly. (2)

The first dress was a deep blue chiffon evening gown with white lace at the ends. Being a dress to be worn behind closed doors, it was free of gems of any kind.

The second was a cornflower blue ballgown with sapphires along the bottom and a blue diamond at the neck. It was enchanted so its wearer wouldn't be encumbered by it at all.

This gown had another special function.... but we'll get to that eventually.(3)

The third dress was a mostly white Midi with bands of blue lace every few inches along its length. It had minor gems in between the bands of lace.

The next was a sea blue Maxi with images along it that seemed to be constantly shifting as the wearer moved, making the whole dress seem like an underwater scene.

Finally was her coronation gown, which Rarity had pulled out all the stops for. It was of a unique, patented material. At the will of its wearer (and a special keyword) it would change colour. The inside was a layer of material that would make it as comfortable as cashmere. The whole dress was durable, weatherproof, would repel dust, dirt, mud and all staining substances and was insulated, yet would be flexible and breathed like the finest cotton.

Needles to say, a bolt of this material would cost thousands of bits, on the regular. Once donned, the dress would become unique to its first wearer; only by its intended one would its full effect be realized. Anypony else wearing it would look drab and plain, would be generally uncomfortable. As you could imagine, this wasn't just a red carpet material, as a single dress would be exorbitant! Any mare would be incredibly lucky to own one of these.

This dress was also free of gems. That would be gilding the lily, as it were.

Bluebelle smiled smugly. She'd have to thank Rarity for letting her be (probably) the first to have one of these. It would make her the talk of the town on her special day.

Naturally, she'd already put it on the first time. It took the longest to put on of any of the dresses, to say nothing of making it, but by Celestia, it was worth it!

Which was good, because that day would be coming soon. She hoped that she'd be ready when the time came.

Author's Note

1: Such is my headcanon. It explains why Celestia supposedly likes cake so much.
2: I had to look up dres types for this next bit. If you want to follow along, look here. Just imagine each of these being modified to Pony form.
3: Hopefully.