At the end of the 2-part first season opener, Friendship Is Magic, Nightmare Moon is turned into Luna. Her appearance as Luna is like any of the other regular ponies. In the season 2 episode Lesson Zero, Luna returns, but now has an appearance very similar to Princess Celestia. She's taller than other ponies, and her hair is constantly flowing, with sparkles. This change in appearance wasn't discussed during the episode, have the show-runners explained this anywhere?


6 Answers 6


Lauren Faust gives an unofficial explanation shown here, but we don't have an official one. She says:

When Nightmare Moon was defeated, her evil power was eradicated. Luna was reborn with her magic levels very low. It took time for her "good" power to come back to her, and now she's healed, reformed and rehabilitated and it's indicated by her magic mane

It should probably also be noted that in the latest episode Luna also demonstrated transformative/illusion magic some of the times she frightened the other ponies, so it's also possible she merely choose to appear this way; One reason to do so would be to look more like her sister.

  • It is worth noting that since this answer was given, we have canon confirmation that her current appearance matches her appearance 1000 years ago before she assumed the form of Night Mare Moon.
    – jpmc26
    Commented Nov 20, 2014 at 4:43

In the My Little Pony comic (trade paperback 2: Nightmare Rarity) Luna goes through a transformation at the end of the book when she conquered her fear of becoming Nightmare Moon again. This is when she gets her beautiful mane and tail.


Recall also that when luna first appears (after being defeated by Mane 6) she is extremely repentant towards her sister. Later, once she has become fully accepted by Celestia, she appears larger and fancier. It's probably a mindset thing.


As seen with Twilight over the episodes from sn 3 on, when normal ponies turn into princesses they turn into Alicorns which have a different path of growth to separate them from regular ponies. Alicorns change to have longer horns, larger wings, more slender bodies and the final sparkly flowing mane. My guess is this: Luna wasn't officially a princess as she is referred to as Celestia's sister and not a princess so when she was freed of the nightmare moon thing she went back to being her old self; an Alicorn but not quite a fully developed one. She was then offered the title of princess which completed her transformation to full Alicorn status.

  • 2
    Pretty sure she was still a princess beforehand. Cadence was called a Princess long before she had her own kingdom. Not that I've ever watched the show... <glances about nervously>
    – user44330
    Commented Apr 30, 2015 at 0:28
  • @Rhettorical -i have a 2yr old and a 6 yr old, both girls and it is a good and healthy thing to watch with them. it gives a common language and a shared experience that connects us. we are richer for it. its okay to watch the mlp - no brohate here. Commented Apr 30, 2015 at 1:27

I think, heck, she hit puberty. Or she matured. Or to make people less afraid of her she changed her appearance to look like her sister since every one loves Celestia. Or maybe there is changes when you are a Princess. Because if you compare all 4 you will see that they grow taller and their hair changes.


Maybe when she turned into Luna in episode 1, she resumed how she looked before she became Nighmare Moon, but the years caught up to her after awhile.

  • It could be, but do you have some quotes indicating that this is the case?
    – Adamant
    Commented May 22, 2017 at 4:16

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